- Special Operator Algebra Seminar
- Speaker:
**Florin Radulescu**(University of Iowa) - Title: II
_{1}factors associated with free groups - Date/Time: February 9 (Fri), 1996 4PM-5:30PM

- Speaker:
- Special Operator Algebra Seminar
- Speaker:
**Florin Boca**(University of Wales Swansea) - Title: The structure of higher-dimensional noncommutative tori and metric Diophantine approximation
- Date/Time: May 29 (Wed), 1996 3:30PM-5:30PM

- Speaker:
- Tokyo Operator Algebra Seminar
- Speaker:
**Hideki Kosaki**(Kyushu University) - Title: A group of 1-dimensional bimodules arising from composition of subfactors
- Date/Time: June 7 (Fri), 1997 3:30PM-5:30PM

- Speaker:
- Mathematical Sciences Seminar
- Speaker:
**Masaki Izumi**(University of Tokyo) - Title: The infinite tensor product action of SU
_{q}(2) and the Poisson boundary of some non-commutative random walk - Date/Time: November 29 (Fri), 1997 4:30PM-5:30PM

- Speaker:
- Tokyo Operator Algebra Seminar
- Speaker:
**Taku Matsui**(Tokyo Metropolitan University) - Title: Recent Results on Ferromagnetic XXZ Models
- Date/Time: December 13 (Fri), 1997 1:30PM-3:30PM

- Speaker:
- Special Operator Algebra Seminar
- Speaker:
**Phan Hung Loi**(Wright State University) - Title: Commuting squares and automorphisms on subfactors
- Date/Time: December 19 (Thu), 1997 4PM-5:30PM

- Speaker:
- Tokyo Operator Algebra Seminar
- Speaker:
**Roberto Longo**(University of Rome II) - Title: Von Neumann algebras, quantum field theory and black hole thermodynamics
- Date/Time: June 13 (Fri), 1997, 2PM-4PM

- Speaker:
- Series of lectures
- Speaker:
**Masamichi Takesaki**(UCLA) - Title: Functorial structure theory and a characteristic square
- Dates/Times: June 16, 23 (Mon) & July 1 (Tue), 1997, 10:30AM-12:00 128

- Speaker:
- Special Operator Algebra Seminar
- Speaker:
**Zhong-Jin Ruan**(University of Illinois, Urbana Champaign) - Title: Recent Results in the Local Theory of Operator Spaces
- Date/Time: June 25 (Wed), 1997, 4PM-5:30PM

- Speaker:
- Departmental Colloquium
- Speaker:
**Masamichi Takesaki**(UCLA) - Title: Characteristic square for a factor and cocycle conjugacy of group actions
- Date/Time: June 27 (Fri), 1997, 4:30PM-5:30PM

- Speaker:
- Special Operator Algebra Seminar
- Speaker:
**N. Christopher Phillips**(University of Oregon) - Title: Subhomogeneous approximation of crossed products by minimal diffeomorphisms (joint work with Qing Lin)
- Date/Time: June 30 (Mon), 1997, 4PM-5:30PM

- Speaker:
- Tokyo Operator Algebra Seminar
- Speaker:
**George Elliott**(University of Toronto) - Title: The structure and classification problem for amenable C*- algebras
- Date/Time: July 11 (Fri), 1997, 2PM-4PM

- Speaker:
- Special Operator Algebra Seminar
- Speaker:
**Alex Kumjian**(University of Nevada, Reno) - Title: C*-algebras of directed graphs (joint work with D. Pask & I. Raeburn)
- Date/Time: July 15 (Tue), 1997, 4PM-5:30PM

- Speaker:
- Special Operator Algebra Seminar
- Speaker:
**Carl Winslow**(University of Copenhagen) - Titel: Operator algebras from a global point of view
- Date/Time: July 16 (Wed), 1997, 4PM-5:30PM

- Speaker:
- Series of lectures on operator algebras
- Speaker:
**Jun Tomiyama**(Japan Women's University) - Title: Knot theory for topological dynamics and C*-algebras
- Dates & Times: October 22 (Wed.), 1997, 13:00-16:00
- October 23 (Thu.) 10:00-12:00
- October 24 (Fri.) 15:00-

- Speaker:
- Series of lectures on operator algebras
- Speaker:
**Toshikazu Natsume**(Nagoya Institute of Technology) - Title: Noncommutative geometry for beginners
- Dates/Times: November 5 (Wed), 1997, 2PM-4PM
- November 6 (Thu), 1997, 10AM-12N, 2PM-4PM

- Speaker:
- Special Operator Algebra Seminar
- Speaker:
**Uffe Haagerup**(Odense University) - Title: Random matrices and exact C*-algebras
- Date/Time: January 26 (Mon), 1998 Time 4:00-5:30PM

- Speaker:
- Operator algebra seminar
- Speaker:
**Hiroki Matui**(Univ. Tokyo) - Title: On minimal Cantor systems I (after Giordano-Putnam-Skau)
- Date/Time: Tuesday, April 14, 1998, 4:30-6:30

- Speaker:
- Operator algebra seminar
- Speaker:
**Philippe Biane**(CNRS) - Title: Representations of symmetric groups and free probability theory
- Date/Time: Tuesday, April 21, 1998, 4:30-6:00

- Speaker:
- Operator algebra seminar
- Speaker:
**Hiroki Matui**(Univ. Tokyo) - Title: On minimal Cantor systems II (after Giordano-Putnam-Skau)
- Date/Time: Tuesday, April 28, 1998, 4:30-6:30

- Speaker:
- Operator algebra seminar
- Speaker:
**Flemming Larsen**(Odense University) - Title: Brown measures in finite non-commutative W*-probability spaces
- Date/Time: Tuesday, May 12, 1998, 4:30-6:00

- Speaker:
- Operator algebra seminar
- Speaker:
**Sergei Silvestrov**(Royal Inst. Tech., Sweden) - Title: Bounded and unbounded representations of generalised Lie algebras and their deformations
- Date/Time: Tuesday, May 19, 1998, 4:30-6:00

- Speaker:
- Operator algebra seminar
- Speaker:
**Narutaka Ozawa**(Univ. Tokyo) - Title: The principle of local reflexivity for non-commutative
L
^{1}-spaces - Date/Time: Tuesday, May 26, 1998, 4:30-6:00

- Speaker:
- Tokyo Operator algebra seminar
- Speaker:
**V. P. Belavkin**(University of Nottingham) - Title: Operator representations of Ito algebras and their classification
- Date/Time: Saturday, May 30, 1998, 3:30-5:00

- Speaker:
- Operator algebra seminar
- Speaker:
**Masaru Nagisa**(Chiba Univ.) - Title: Some remarks on C*-algebras with real rank zero or one constructed by Goodearl
- Date/Time: Tuesday, June 2, 1998, 4:30-6:00

- Speaker:
- Operator algebra seminar
- Speaker:
**Keiko Kawamuro**(Univ. Tokyo) - Title: Introduction to Connes spectra
- Date/Time: Tuesday, June 9, 1998, 4:30-6:00

- Speaker:
- Operator algebra seminar
- Speaker:
**Nathanial Brown**(Purdue Univ./Univ. Tokyo) - Title: AF Embeddings of Crossed Products of AF Algebras by Z
- Date/Time: Tuesday, June 16, 1998, 4:30-6:00

- Speaker:
- Operator algebra seminar
- Speaker:
**Feng Xu**(UCLA) - Title: On one of J.-B.Zuber's conjectures
- Date/Time: Tuesday, June 23, 1998, 4:30-5:30

- Speaker:
- Operator algebra seminar
- Speaker:
**Keiko Kawamuro**(Univ. Tokyo) - Title: Strong amenability and central sequence subfactors
- Date/Time: Tuesday, June 30, 1998, 4:30-6:00

- Speaker:
- Operator algebra seminar
- Speaker:
**Hiroki Matui**(Univ. Tokyo) - Title: After Giordano-Putnam-Skau (Part III)
- Date/Time: Tuesday, July 7, 1998, 4:30-6:00

- Speaker:
- Operator algebra seminar
- Speaker:
**David E. Evans**(University of Wales, Cardiff) - Title: Non-commutative orbifolds
- Date/Time: Tuesday, July 14, 1998, 4:30-6:00

- Speaker:
- Operator algebra seminar
- Speaker:
**David E. Evans**(University of Wales, Cardiff) - Title: Modular invariants, graphs and subfactors
- Date/Time: Friday, July 24, 1998, 4:00-5:30

- Speaker:
- Operator algebra seminar
- Speaker:
**Ryszard Nest**(University of Copenhagen) - Title: Formal and continuous deformations of Poisson manifolds, constructions and applications
- Date/Time: Tuesday, October 13, 1998, 4:30-6:00

- Speaker:
- Operator algebra seminar
- Speaker:
**Satoshi Goto**(Sophia University) - Title: The fusion rule structure of Goodman-de la Harpe-Jones subfactors
- Date/Time: Tuesday, October 20, 1998, 4:30-6:00

- Speaker:
- Operator algebra seminar
- Speaker:
**Masaki Izumi**(University of Tokyo) - Title: On actions of finite groups on the Cuntz algebra O
_{2} - Date/Time: Tuesday, October 27, 1998, 4:30-6:00

- Speaker:
- Operator algebra seminar
- Speaker:
**Nathanial Brown**(Purdue Univ./Univ. Tokyo) - Title: Non commutative topological entropy I
- Date/Time: Tuesday, November 10, 1998, 4:30-6:00

- Speaker:
- Operator algebra seminar
- Speaker:
**Nathanial Brown**(Purdue Univ./Univ. Tokyo) - Title: Non commutative topological entropy II
- Date/Time: Tuesday, November 17, 1998, 4:30-6:00

- Speaker:
- Operator algebra seminar
- Speaker:
**Fumio Hiai**(Tohoku University) - Title: Properties of free entropy related to polar decomposition
- Date/Time: Tuesday, November 24, 1998, 4:30-6:00

- Speaker:
- Operator algebra seminar
- Speaker:
**Shigeru Yamagami**(Tohoku University) - Title: Compact quantum groups with amenable dual and minimal actions
on the AFD II
_{1}factor - Date/Time: Tuesday, December 1, 1998, 4:30-6:00

- Speaker:
- Operator algebra seminar
- Speaker:
**Toshihiko Masuda**(Univ. Tokyo) - Title: Extension of automorphisms of a subfactor to the symmetric enveloping algebra
- Date/Time: Tuesday, December 8, 1998, 4:30-6:00

- Speaker:
- Operator algebra seminar
- Speaker:
**Yasuyuki Kawahigashi**(Univ. Tokyo) - Title: Chiral projectors and alpha-induction for subfactors
- Speaker:
**Narutaka Ozawa**(Univ. Tokyo) - Title: On lifting property for universal C*-algebras of operator spaces
- Date/Time: Tuesday, December 22, 1998, 3:30-6:00

- Speaker:
- Operator algebra seminar
- Speaker:
**Hideaki Izumi**(Tohoku Univ.) - Title: The Radon-Nikodym theorem for non-commutative L
^{p}-spaces - Date/Time: Tuesday, January 12, 1999, 4:30-6:00

- Speaker:
- Operator algebra seminar
- Speaker:
**Taku Matsui**(Kyushu Univ.) - Title: Symmetry of spin ladder
- Date/Time: Tuesday, January 19, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Rui Okayasu**(Univ. Tokyo) - Title: Introduction to E-theory
- Date/Time: Tuesday, February 2, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Wojciech Szymanski**(University of Newcastle) - Title: C*-algebras of directed graphs
- Date/Time: Tuesday, March 16, 1999, 2:30-4:00
- Speaker:
**Dietmar Bisch**(University of California, Santa Barbara) - Title: Planar algebras and subfactors I
- Date/Time: Tuesday, March 16, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Dietmar Bisch**(University of California, Santa Barbara) - Title: Planar algebras and subfactors II
- Date/Time: Monday, March 29, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yasuyuki Kawahigashi**(Univ. Tokyo) - Title: Mutil-interval subfactors and modularity of representations in conformal field theory I, II
- Dates/Time: Tuesday, April 20, 27, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**David E. Evans**(University of Wales, Cardiff) - Speaker:
**Jens Böckenhauer**(University of Wales, Cardiff) - Titles: Modular invariants and subfactors I, II
- Date/Time: Tuesday, May 11, 1999, 3:45-4:45, 5:00-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroaki Yoshida**(Ochanomizu Women's University) - Title: Orthogonal polynomials in a free probability space
- Date/Time: Tuesday, May 18, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Masaru Nagisa**(Chiba University) - Title: Some remarks on unital, simple, stable rank one C*-algebras
whose K
_{0}-group have a torsion - Date/Time: Tuesday, May 25, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hajime Moriya**(Science Univ. Tokyo) - Title: On entropy density and the Connes-Narnhofer-Thirring entropy of shifts
- Date/Time: Tuesday, June 1, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hideaki Izumi**(Univ. Tokyo) - Title: Non-commutative L
^{2}-space and the standard Hilbert space - Date/Time: Tuesday, June 15, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(Univ. Tokyo) - Title: A non-extendable bounded linear map between C*-algebras
- Date/Time: Tuesday, June 22, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(Univ. Tokyo) - Title: A survey on local reflexivity
- Date/Time: Tuesday, June 29, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Masaru Nagisa**(Chiba University) - Title: Simultaneous unitarizability and similarity problem
- Date/Time: Tuesday, July 6, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hitoshi Higuchi**(Tokyo Metropolitan University) - Title: Smooth structure of noncommutative tori and its applications
- Date/Time: Tuesday, July 13, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Karl-Henning Rehren**(University of Göttingen) - Title: New subfactors associated with a system of sectors
- Date/Time: Tuesday, August 24, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yasuyuki Kawahigashi**(Univ. Tokyo) - Title: Longo-Rehren subfactors arising from alpha-induction
- Date/Time: Tuesday, October 12, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Shigeru Yamagami**(Ibaraki Univ.) - Title: Free product construction of monoidal functors
- Date/Time: Tuesday, October 19, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroaki Yoshida**(Ochanomizu Women's University) - Title: A $q$-deformed Poisson distribution which interpolates free and classical cases
- Date/Time: Tuesday, October 26, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takashi Itoh**(Gunma Univ.) - Title: Schur products and module maps on B(H)
- Date/Time: Tuesday, November 2, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Marie Choda**(Osaka Kyoiku Univ.) - Title: An entropy for automorphisms on amenable discrete countable groups
- Date/Time: Tuesday, November 16, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoshimichi Ueda**(Hiroshima Univ.) - Title: Amenable actions of free groups and amalgamated free products of von Neumann algebras
- Date/Time: Tuesday, November 30, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yasuo Watatani**(Kyushu Univ.) - Title: Positions of subfactors and arrangements of Hilbert subspaces
- Date/Time: Tuesday, December 7, 1999, 5:00-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hitoshi Moriyoshi**(Keio Univ.) - Title: The eta invariant and spectral flows of von Neumann algebras of type II
- Date/Time: Tuesday, December 14, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yasuyuki Kawahigashi**(Univ. Tokyo) - Title: Introduction to Kazhdan's property T
- Date/Time: Tuesday, December 21, 1999, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**John E. Roberts**(Universita di Roma, Tor Vergata) - Title: Multiplicative unitaries and duality
- Date/Time: Tuesday, January 11, 2000, 5:00-6:30

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(Univ. Tokyo) - Title: Local theory and local reflexivity
- Date/Time: Tuesday, January 25, 2000, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Rui Okayasu**(U. Tokyo/Kyoto U.) - Title: Cuntz-Krieger-Pimsner algebras associated with amalgamated free products of groups
- Date/Time: Thursday, February 17, 2000, 2:30PM-4:00PM
- Speaker:
**Toshihiko Masuda**(Kochi University) - Title: On classification of approximately inner actions of discrete amenable groups on subfactors
- Date/Time: Thursday, February 17, 2000, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(Univ. Tokyo) - Title: Amenable actions and exactness for discrete groups
- Date/Time: Monday, April 3, 2000, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yasuyuki Kawahigashi**(Univ. Tokyo) - Title: Twisted Longo-Rehren subfactors
- Date/Time: April 25 (Tue), 2000 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroshige Kajiura**(Univ. Tokyo) - Title: String theory, matrix models and non-commutative geometry
- Date/Time: May 9 (Tue), 2000 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takeshi Katsura**(Univ. Tokyo) - Title: Classification of nuclear C*-algebras I, II, III (after Dadarlat-Eilers)
- Date/Time: May 16, 23, 30 (Tue), 2000 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Kengo Matsumoto**(Yokohama City University) - Title: Bowen-Franks groups as an invariant for flow equivalence of subshifts
- Date/Time: June 13 (Tue), 2000 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Carl Winslow**(Denmark's Pedagogical University) - Title: On Connes' embedding problem and the homesick traveller's principle
- Date/Time: July 11 (Tue), 2000 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Anthony Malerich**(University of New Mexico) - Title: Push-outs and pull-backs of C*-algebras
- Date/Time: July 18 (Tue), 2000 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takeshi Katsura**(University of Tokyo) - Title: On crossed products of Cuntz algebras by quasi-free actions of abelian groups
- Date/Time: June 12 (Tue), 2001 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Keiko Kawamuro**(University of Tokyo) - Title: A new induction for bimodules
- Date/Time: June 19 (Tue), 2001 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(University of Tokyo) - Title: Exactness for free group factors
- Date/Time: June 26 (Tue), 2001 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Rui Okayasu**(Kyoto University) - Title: A construction of type III factors from boundary actions
- Date/Time: July 17 (Tue), 2001 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Taku Matsui**(Kyushu University) - Title: The Bosonic Central Limit Theorem in Mixing Quantum Models
- Date/Time: October 9 (Tue), 2001 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**David Kerr**(Univ. Tokyo) - Title: A noncommutative variational principle
- Date/Time: October 23 (Tue), 2001 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(Univ. Tokyo) - Title: An Application of Expanders to $B(H)\otimes B(H)$
- Date/Time: October 30 (Tue), 2001 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hajime Moriya**(KEK) - Title: Commuting squares and equilibrium quantum statistical mechanics (joint work with Huzihiro Araki)
- Date/Time: November 13 (Tue), 2001 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hideaki Izumi**(Univ. Tokyo) - Title: Positive cones in non-commutative L
^{p}-spaces - Date/Time: November 20 (Tue), 2001 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Detlev Buchholz**(Univ. Göttingen/RIMS) - Title: Geometric modular action and space-time symmetries in local quantum physics
- Date/Time: November 27 (Tue), 2001 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takeshi Katsura**(Univ. Tokyo) - Title: C*-algebras arising from continuous graphs
- Date/Time: December 4 (Tue), 2001 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroki Matui**(Chiba Univ.) - Title: Skew product extensions of minimal Cantor systems
- Date/Time: December 18 (Tue), 2001 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Nathanial Brown**(Central Michigan University) - Title: Approximating traces on C*-algebras
- Date/Time: January 15 (Tue), 2002 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Kengo Matsumoto**(Yokohama City University) - Title: On simple C*-algebras arising from colored Bratteli diagrams
- Date/Time: January 22 (Tue), 2002 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoshiomi Nakagami**(Japan Women's University) - Title: Locally compact quantum groups
- Date/Time: January 29 (Tue), 2002 4:30PM-6PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**David Kerr**(Univ. Tokyo) - Title: Gromov-Hausdorff distance for metrized operator systems and C*-algebras I, II
- Date/Time: April 16, 234 (Tue), 2002 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Reiji Tomatsu**(Univ. Tokyo) - Title: Locally compact quantum groups (after Vaes)
- Date/Time: April 30 (Tue), 2002 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Rui Okayasu**(Kyoto Univ.) - Title: Entropy of subshifts and the Macaev norm
- Date/Time: May 7 (Tue), 2002 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Jun Tomiyama** - Title: Hulls and kernels arising from dynamical systems
- Date/Time: May 14 (Tue), 2002 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**David Kerr**(Univ. Tokyo) - Title: Entropic growth in operator algebras I
- Date/Time: May 21 (Tue), 2002 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**David Kerr**(Univ. Tokyo) - Title: Entropic growth in operator algebras II
- Date/Time: May 28 (Tue), 2002 4:30PM-6:00PM

- Speaker:
- Special Operator Algebra Seminars
- Speaker:
**Toshihiko Masuda**(Kochi Univ.) - Title: On group actions on subfactors
- Date/Time: June 1 (Sat), 2002 3:00PM-4:00PM
- Speaker:
**Takehiko Yamanouchi**(Hokkaido University) - Title: Remarks on actions of locally compact quantum groups
- Date/Time: June 1 (Sat), 2002 4:20PM-5:20PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Toshihiko Masuda**(Kochi Univ.) - Title: Introduction to Longo-Rehren inclusions
- Date/Time: June 4 (Tue), 2002 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**David Kerr**(Univ. Tokyo) - Title: Entropic growth in operator algebras III
- Date/Time: June 11 (Tue), 2002 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Jun Tomiyama** - Title: On a classification of ideals of a homeomorphism C*-algebra
- Date/Time: July 9 (Tue), 2002 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Jun Tomiyama** - Title: Hulls and kernels arising from dynamical systems II
- Date/Time: July 16 (Tue), 2002 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**S. L. Woronowicz**(Warsaw Univ.) - Title: Unbounded Operators in Operator Algebras
- Date/Time: September 2 (Mon), 2002 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroshi Takai**(Tokyo Metropolitan University) - Title: Compactification of fields and non-commutative Yang-Mills theory I
- Date/Time: October 1 (Tue), 2002 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroshi Takai**(Tokyo Metropolitan University) - Title: Compactification of fields and non-commutative Yang-Mills theory II
- Date/Time: October 8 (Tue), 2002 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Nicolas Lim**(École Normale Supérieure/Univ. Tokyo) - Title: An introduction to free probability I
- Date/Time: October 22 (Tue), 2002 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Nicolas Lim**(École Normale Supérieure/Univ. Tokyo) - Title: An introduction to free probability II
- Date/Time: October 29 (Tue), 2002 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroaki Yoshida**(Ochanomizu Women's University) - Title: Conditionally free product of states, deformed free convolutions, and moments formula
- Date/Time: November 12 (Tue), 2002 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Uuye Otgonbayar**(Univ. Tokyo) - Title: Property (RD) groups in noncommutative geometry
- Date/Time: November 19 (Tue), 2002 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Reiji Tomatsu**(Univ. Tokyo) - Title: On amenable quantum groups
- Date/Time: January 14 (Tue), 2003 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Sergey Neshveyev**(Univ. Oslo) - Title: A q-index formula
- Date/Time: February 4 (Tue), 2003 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Ryszard Nest**(University of Copenhagen) - Title: K-homology and the Connes-Kasparov conjecture
- Date/Time: March 12 (Wed), 2003 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Rolf Dyre Svegstrup**(Univ. Copenhagen/Univ. Tokyo) - Title: Morita equivalence of non-commutative tori
- Date/Time: April 8 (Tue), 2003 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hsiang-Ping Huang**(Center for Theoretical Sciences, Taiwan) - Title: Some facts on hyperfinite II
_{1}inclusions - Date/Time: April 15 (Tue), 2003 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Gilles Pisier**(Univ. Paris VI/Texas A&M Univ.) - Title: Grothendieck's theorem for operator spaces and von Neumann algebras of type III
- Date/Time: April 22 (Tue), 2003 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yasuyuki Kawahigashi**(Univ. Tokyo) - Title: Classification of 2-dimensional conformal field theories and 2-cohomology vanishing for tensor categories
- Date/Time: May 26 (Mon), 2003, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroki Matui**(Chiba Univ.) - Title: Affable equivalence relations (after Giordano-Putnam-Skau)
- Date/Time: June 2 (Mon), 2003, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Rolf Dyre Svegstrup**(Univ. Copenhagen/Univ. Tokyo) - Title: The Yang-Mills problem for non-commutative tori
- Date/Time: June 9 (Mon), 2003, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Tomohiro Hayashi**(Kyushu Univ.) - Title: On automorphisms of L(Z
^{2}x SL(2,Z)) - Date/Time: June 16 (Mon), 2003, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Reiji Tomatsu**(Univ. Tokyo) - Title: On work of S. Wang
- Date/Time: June 23 (Mon), 2003, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroaki Yoshida**(Ochanomizu Women's University) - Title: Generalized t-transformations of probability measures and a deformed Fermi convolution
- Date/Time: July 7 (Mon), 2003, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Rui Okayasu**(Osaka Kyoiku University) - Title: On a quasicentral approximate unit for finitely generated groups
- Date/Time: July 14 (Mon), 2003, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takeshi Katsura**(Univ. Tokyo) - Title: On scaling elements
- Date/Time: October 9 (Thu.), 2003, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoshiko Ogata**(Univ. Tokyo, Physics Dept.) - Title: The stability of the non-equilibrium steady state
- Date/Time: October 16 (Thu.), 2003, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Srinivasan Raman**(Univ. Tokyo) - Title: Product systems arising from a sum system
- Date/Time: October 23 (Thu.), 2003, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Reiji Tomatsu**(Univ. Tokyo) - Title: Ergodic actions of compact groups on operator algebras (after A. Wassermann)
- Date/Time: October 30 (Thu.), 2003, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Benoit Collins**(Kyoto Univ.) - Title: Itzykson-Zuber integral and free probability
- Date/Time: November 13 (Thu.), 2003, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoshimichi Ueda**(Kyushu Univ.) - Title: Topics related to Voiculescu's heuristics on random matrix approximation
- Date/Time: November 20 (Thu.), 2003, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Srinivasan Raman**(Univ. Tokyo) - Title: The Alegebra of G-relation
- Date/Time: November 27 (Thu.), 2003, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Catherine Oikonomides**(Keio University) - Title: Foliation C*-algebras, some simple examples in low dimension
- Date/Time: December 4 (Thu.), 2003, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Reiji Tomatsu**(Univ. Tokyo) - Title: Ergodic actions of compact groups on operator algebras II (after A. Wassermann)
- Date/Time: December 18 (Thu.), 2003, 4:30-6:00

- Speaker:
- COE Operator Algebra Seminar
- Speaker:
**Huaxin Lin**(University of Oregon) - Title: Full extensions of nuclear C*-algebras
- Date/Time: December 26 (Fri.), 2003, 2:30-4:00
- Speaker:
**Nathanial Brown**(Pennsylvania State University) - Title: Operator Theory and Numerical Analysis
- Date/Time: December 26 (Fri.), 2003, 4:30-6:00

- Speaker:
- COE Operator Algebra Seminar
- Speaker:
**Nathanial Brown**(Pennsylvania State University) - Title: C
^{*}-algebras and the structure of von Neumann algebras - Date/Time: January 6 (Tue.), 2004, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Shigeru Yamagami**(Ibaraki Univ.) - Title: Topics in tensor categories
- Date/Time: January 15 (Thu.), 2004, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Uuye Otgonbayar**(Univ. Tokyo) - Title: The Baum-Connes conjecture for KK-theory
- Date/Time: January 22 (Thu.), 2004, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Marek Bozejko**(University of Wroclaw) - Title: Completely positive maps on groups, noncommutative Gaussian processes and new factors of type II
- Date/Time: February 3 (Tue.), 2004, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Benoit Collins**(Kyoto Univ.) - Title: Integration over classical compact groups with applications to free probability and matrix integrals (joint work with P. Sniady)
- Date/Time: March 5 (Fri.), 2004 1:30PM-3:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(Univ. Tokyo) - Title: New progress in the classification of group von Neumann algebras
- Date/Time: April 15 (Thu.), 2004, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoshiko Ogata**(Univ. Tokyo) - Title: Local distinguishability of quantum states
- Date/Time: April 22 (Thu.), 2004, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Toshiyuki Abe**(Univ. Tokyo) - Title: Introduction to vertex operator algebras
- Date/Time: May 6 (Thu.), 2004, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Seung-Hyeok Kye**(Seoul National Univ.) - Title: Positive Linear Maps and Entanglement
- Date/Time: May 13 (Thu.), 2004, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takeshi Katsura**(Hokkaido Univ.) - Title: Cocycles of graphs and crossed products
- Date/Time: May 20 (Thu.), 2004, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroki Shimakura**(Univ. Tokyo) - Title: On automorphisms of vertex operator algebras
- Date/Time: May 27 (Thu.), 2004, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroshi Yamauchi**(Univ. Tokyo) - Title: Intertwining operators for VOA and their applications (Resume)
- Date/Time: June 3 (Thu.), 2004, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroki Matui**(Chiba Univ.) - Title: Minimal dynamical systems on the product of the Cantor set and the circle
- Date/Time: June 10 (Thu.), 2004, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(Univ. Tokyo) - Title: Bounded Cohomology and Superrigidity (after Monod and Shalom)
- Date/Time: June 17 (Thu.), 2004, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Florin Radulescu**(Univ. Rome/Univ. Iowa) - Title: Connes embedding conjecture and a noncommutative version of Hilbert 17th problem
- Date/Time: June 22 (Tue.), 2004, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Nathanial Brown**(Univ. Tokyo/Pennsylvania State Univ.) - Title: When is a C*-algebra tracially AF?
- Date/Time: June 24 (Thu.), 2004, 4:30-6:00

- Speaker:
- Departmental Colloquium
- Speaker:
**Narutaka Ozawa**(Univ. Tokyo) - Title: Exactness of discrete groups
- Date/Time: June 25 (Fri.), 2004, 4:50-5:50

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Jun Tomiyama**(Nihon Women's Univ.) - Title: Calculus of monotone and convex matrix functions
- Date/Time: July 8 (Thu.), 2004, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Shinya Sakuma**(Univ. Tokyo) - Title: The Moonshine VOA and the Monster
- Date/Time: July 15 (Thu.), 2004, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Ferenc Oravecz**(Tohoku Univ.) - Title: Pure convolutions arising from conditionally free convolution
- Date/Time: September 6 (Mon.), 2004, 2:30pm-4:00pm
- Speaker:
**Piotr Sniady**(Univ. Wroclaw) - Title: Free probability: combinatorics may help operator algebras
- Date/Time: September 6 (Mon.), 2004, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Alfons Van Daele**(K. U. Leuven) - Title: Multiplier Hopf algebras and invariants for colored links and 3-manifolds
- Date/Time: September 24 (Fri.), 2004, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Reiji Tomatsu**(Univ. Tokyo) - Title: On classification of right coideals in C(SU
_{q}(2)) - Date/Time: October 7 (Thu.), 2004, 4:30pm-6:00pm

- Speaker:
- COE Operator Algebra Seminar
- Speaker:
**Sebastiano Carpi**(Univ. Chieti-Pescara) - Title: On the uniqueness of diffeomorphism symmetry in conformal field theory (Joint work with Mihaly Weiner)
- Date/Time: October 14 (Thu.), 2004, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**David Kerr**(Univ. Tokyo) - Title: Dynamical systems and Banach space geometry I, II
- Date/Time: October 21, 28 (Thu.), 2004, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoshimichi Ueda**(Kyushu Univ.) - Title: Survey on free entropy from the viewpoint of von Neumann algebras
- Date/Time: November 18 (Thu.), 2004, 5:00pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Nathanial Brown**(Univ. Tokyo) - Title: Finite free entropy and free group factors
- Date/Time: November 25 (Thu.), 2004, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroshi Takai**(Tokyo Metro. Univ.) - Title: Yang-Mills theory on noncommutative manifolds and its application to superstring theory
- Date/Time: December 16 (Thu.), 2004, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Mikaël Pichot**(Univ. Tokyo) - Title: On Kazhdan's property T for equivalence relations
- Date/Time: January 20 (Thu.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yasuhide Minoda**(Univ. Tokyo) - Title: On some transformations of directed graphs and their C*-algebras
- Date/Time: January 27 (Thu.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Ryszard Nest**(University of Copenhagen) - Title: Assembly maps, quantum groups, and triangulated categories
- Date/Time: March 3 (Thu.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoshiko Ogata**(Univ. Tokyo) - Title: Non-equilibrium properties of quantum systems
- Date/Time: April 7 (Thu.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**N. Christopher Phillips**(Univ. Oregon) - Title: Classifiability of crossed products by minimal homeomorphisms
- Date/Time: April 14 (Thu.), 2005, 2:30pm-4:00pm
- Speaker:
**David Kerr**(Univ. Tokyo) - Title: Quasidiagonality and topological dynamics
- Date/Time: April 14 (Thu.), 2005, 4:15pm-5:45pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Erik Guentner**(Univ. Hawaii) - Title: Permanence properties of C*-exact and uniform embeddable groups
- Date/Time: May 26 (Thu.), 2005, 2:30pm-4:00pm
- Speaker:
**George Elliott**(Univ. Toronto) - Title: On the classification of continuous field of C*-algebras over the interval
- Date/Time: May 26 (Thu.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Reiji Tomatsu**(Univ. Tokyo) - Title: Amenable actions
- Date/Time: June 2 (Thu.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takeshi Katsura**(Hokkaido Univ.) - Title: A construction of all classifiable Kirchberg algebras by using topological graphs
- Date/Time: June 9 (Thu.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Srinivasan Raman**(Univ. Tokyo) - Title: Stochastic integration with respect to quasi-exponential product systems
- Date/Time: July 7 (Thu.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Pinhas Grossman**(University of California, Berkeley) - Title: Intermediate subfactors
- Date/Time: July 14 (Thu.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Benoit Collins**(RIMS, Kyoto Univ.) - Title: New scaling of Itzykson-Zuber integrals
- Date/Time: September 29 (Thu), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Man-Duen Choi**(Univ. Toronto) - Title: Operator theory invariants for topological dynamical systems
- Date/Time: October 11 (Tue.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Rajendra Bhatia**(Indian Stat. Inst.) - Title: Fourier Analysis and Matrix Theory
- Date/Time: October 13 (Thu.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(Univ. Tokyo) - Title: Amenable Actions and Their Applications
- Date/Time: October 20 (Thu.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Tomohiro Ogawa**(JST/Univ. Tokyo) - Title: On discrimination of states and quantum relative entropy
- Date/Time: October 27 (Thu.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Sebastiano Carpi**(Univ. Chieti-Pescara) - Title: On vertex operator algebras that generate conformal nets of von Neumann algebras
- Date/Time: November 2 (Wed.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takeshi Katsura**(Hokkaido Univ./JSPS SPD) - Title: A method to prove a given C^*-algebra is purely infinite
- Date/Time: November 10 (Thu.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Toshihiko Masuda**(Kyushu Univ.) - Title: On actions of duals of finite groups on the AFD II
_{1}factor - Date/Time: November 17 (Thu.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Munehiro Yamamoto**(Chiba Univ.) - Title: Square root closed C*-algebras
- Date/Time: December 1 (Thu.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Raphael Ponge**(Ohio State University) - Title: Noncommutative geometry, index theory and CR geometry
- Date/Time: December 8 (Thu.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Reiji Tomatsu**(Univ. Tokyo) - Title: On a paving theorem for Kac algebras
- Date/Time: December 15 (Thu.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Nathanial Brown**(Pennsylvania State University) - Title: C*-algebras with property T (after Bekka)
- Date/Time: December 21 (Wed.), 2005, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yasuyuki Kawahigashi**(Univ. Tokyo) - Title: Noncommutative spectral invariants and black hole entropy
- Date/Time: January 12 (Thu.), 2006, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Mihaly Weiner**(Univ. Roma II) - Title: Does the equivalence class of a hsm inclusion depend on the given state vector?
- Date/Time: January 17 (Tue.), 2006, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Shinichi Tanimoto**(Univ. Tokyo) - Titles: Quasi-free actions on the CAR algebra
- Speaker:
**Hiroyuki Noguchi**(Univ. Tokyo) - Titles: The split property of a net of observable algebras and a conformal net of von Neumann algebras
- Date/Time: January 25 (Wed.), 2006, 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takeshi Katsura**(Hokkaido Univ./JSPS) - Title: A construction of finite group actions on Kirchberg algebras
- Date/Time: April 13 (Thu), 2006 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Reiji Tomatsu**(Univ. Tokyo) - Title: Classification of minimal actions of compact Kac algebras I
- Date/Time: April 20 (Thu), 2006 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Reiji Tomatsu**(Univ. Tokyo) - Title: Classification of minimal actions of compact Kac algebras II
- Date/Time: April 27 (Thu), 2006 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroki Matui**(Chiba Univ.) - Title: Cohomology of Cantor minimal Z
^{d}systems - Date/Time: May 25 (Thu), 2006 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Detlev Buchholz**(Univ. Göttingen) - Title: Integrable models and operator algebras
- Date/Time: June 22 (Thu), 2006 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Rolf Dyre Svegstrup**(Univ. Tokyo) - Title: Endomorphisms of half-sided modular inclusions
- Date/Time: July 6 (Thu), 2006 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(Univ. Tokyo) - Title: Property (T) for universal lattices, after Y. Shalom
- Date/Time: July 13 (Thu), 2006 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoshiko Ogata**(Univ. Tokyo/JSPS) - Title: Linear response theory in quantum statistical mechanics
- Date/Time: July 20 (Thu), 2006 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**George Elliott**(Univ. Toronto) - Title: The Cuntz semigroup as an invariant for C*-algebras
- Date/Time: August 3 (Thu), 2006 4:30pm-6:00pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Claude-Alain Pillet**(Univ. de Toulon et du Var) - Title: Operator-algebraic techniques in nonequilibrium statistical mechanics
- Date/Time: September 11 (Mon), 2006 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroki Sako**(Univ. Tokyo) - Title: Haagerup property for measure preserving equivalence relations
- Date/Time: October 12 (Thu.), 2006 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroki Sako**(Univ. Tokyo) - Title: A unique decomposition result for HT factors with torsion free core (after Popa)
- Date/Time: October 19 (Thu.), 2006 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Remi Leandre**(Univ. Bourgogne) - Title: Introduction to Brownian surfaces
- Date/Time: October 26 (Thu.), 2006 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Naokazu Mizuta**(Univ. Tokyo) - Title: Operator-algebraic superrigidity for SL
_{n}(Z) I (after Bekka) - Date/Time: November 2 (Thu.), 2006 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Naokazu Mizuta**(Univ. Tokyo) - Title: Operator-algebraic superrigidity for SL
_{n}(Z) II (after Bekka) - Date/Time: November 9 (Thu.), 2006 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Reiji Tomatsu**(Univ. Tokyo) - Title: Characterizaton of right coideals of quotient type and classification of Poisson boundaries
- Date/Time: November 16 (Thu.), 2006 4:30PM-6:00PM

- Speaker:
- Lecture Series on Operator Algebras
- Speaker:
**Masamichi Takesaki**(UCLA) - Title: Group actions on von Neumann algebras
- Dates/Time: November 27 (Mon)-December 1 (Fri), 2006 4:00PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Makoto Yamashita**(Univ. Tokyo) - Title: An introduction to analytic endomotives (after Connes-Consani-Marcolli)
- Date/Time: December 7 (Thu.), 2006 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Chongying Dong**(UC Santa Cruz) - Title: On uniqueness of the moonshine vertex operator algebra
- Date/Time: December 14 (Thu.), 2006 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Benoit Collins**(Univ. Claude Bernard Lyon 1) - Title: Convergence of unitary matrix integrals and free probability (joint work with A. Guionnet and E. Maurel-Segala)
- Date/Time: December 21 (Thu.), 2006 2:45PM-4:15PM
- Speaker:
**Roberto Longo**(Univ. Rome) - Title: Operator Algebras and Conformal Field Theory
- Date/Time: December 21 (Thu.), 2006 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Roberto Longo**(Univ. Rome) - Title: Operator Algebras and Conformal Field Theory II
- Date/Time: December 28 (Thu.), 2006 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroki Sako**(Univ. Tokyo) - Title: Twisted Bernoulli shift actions of Z
^{2}\rtimes SL(2,Z) - Date/Time: January 18 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Kouga Sawada**(Univ. Tokyo) - Title: The Pimsner-Voiculescu AF-embedding of the irrational rotation C*-algebra and its subalgebra
- Date/Time: January 25 (Thu), 2007, 3:15PM-4:15PM
- Speaker:
**Naokazu Mizuta**(Univ. Tokyo) - Title: A Note on Weak Amenability
- Date/Time: January 25 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yukiko Konishi**(Univ. Tokyo) - Title: Mirror symmetry
- Date/Time: April 12 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takeshi Katsura**(Univ. Tokyo) - Title: Graph algebras, Exel-Laca algebras and ultragraph algebras
- Date/Time: April 19 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoshiko Ogata**(Univ. Tokyo) - Title: Nonequilibrium steady states in quantum systems
- Date/Time: April 26 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Reiji Tomatsu**(Univ. Tokyo) - Title: Convergence of endomorphisms and approximate innerness
- Date/Time: May 10 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Tomohiro Ogawa**(Univ. Tokyo/JST) - Title: On the statistical equivalence for sets of quantum states
- Date/Time: May 17 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- The Second Takagi Lectures
- Speaker:
**Dan Voiculescu**(University of California, Berkeley) - Title: Aspects of free analysis
- Dates/Times: May 26 (Sat), 2007, 1:40PM-2:40PM; May 27 (Sun), 2007, 9:30AM-10:30AM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Marta Asaeda**(UC Riverside) - Title: Galois groups and an obstruction to principal graphs of subfactors
- Date/Time: May 29 (Tue), 2007, 3:00PM-4:30PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Makoto Yamashita**(Univ. Tokyo) - Title: Affine Holonomy Foliations
- Date/Time: June 7 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Richard D. Burstein**(UC Berkeley) - Title: Subfactors Arising from Symmetric Commuting Squares (following Jones/Sunder)
- Date/Time: June 21 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoh Tanimoto**(Univ. Tokyo) - Title: A new construction of causal nets of operator algebras (after Lechner)
- Date/Time: June 28 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Rolf Dyre Svegstrup**(Univ. Tokyo) - Title: Factorization in C
^{*}-Algebras - Date/Time: July 5 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroki Sako**(Univ. Tokyo) - Title: Normalizers of MASAs and irreducible subfactors
- Date/Time: July 12 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(Univ. Tokyo) - Title: On a class of II
_{1}factors with at most one Cartan subalgebra - Date/Time: July 19 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Gandalf Lechner**(Erwin Schrödinger Institute) - Title: Local nets of von Neumann algebras and modular theory
- Date/Time: October 4 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Gandalf Lechner**(Erwin Schrödinger Institute) - Title: Construction of local nets from a wedge algebra
- Date/Time: October 11 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- Lecture Series on Operator Algebras
- Lecturer: Mikaël Pichot (JSPS/Univ. Tokyo)
- Title: Topics in ergodic theory, von Neumann algebras, and rigidity
- Date/Time: From October 18 (Thu), 2007, 10:40-12:10 (every week)

- Operator Algebra Seminar
- Speaker:
**Mikaël Pichot**(JSPS/Univ. Tokyo) - Title: On the classification of Bruhat-Tits buildings
- Date/Time: October 18 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Masato Mimura**(Univ. Tokyo) - Title: An introduction to expander graphs
- Date/Time: October 25 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Naokazu Mizuta**(Univ. Tokyo) - Title: Generators of II
_{1}factors (after Dykema-Sinclair-Smith-White) - Date/Time: November 15 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Qin Zhang**(Univ. Tokyo) - Title: Spatial property of the canonical map associated to von Neumann algebras
- Date/Time: November 22 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Masashi Sakiyama**(Univ. Tokyo) - Title: Gauge-invariant ideal structure of ultragraph C
^{*}-algebras - Date/Time: December 20 (Thu), 2007, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Pinhas Grossman**(Vanderbilt Univ.) - Title: Pairs of intermediate subfactors
- Date/Time: December 26 (Wed), 2007, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Makoto Yamashita**(Univ. Tokyo) - Title: Cup product on the Periodic Cyclic Cohomology
- Date/Time: January 17 (Thu), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Masato Mimura**(Univ. Tokyo) - Title: A generalization of property (T) of SL(n,R)
- Date/Time: January 31 (Thu), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(Univ. Tokyo) - Title: On a class of II
_{1}factors with at most one Cartan subalgebra II - Date/Time: April 17 (Thu), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Rune Johansen**(Copenhagen University) - Title: On the structure of graph algebras of presentations of a sofic shift
- Date/Time: May 1 (Thu), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takeshi Katsura**(Keio University) - Title: Non-separable UHF algebras
- Date/Time: May 8 (Thu), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Mikaël Pichot**(University of Tokyo) - Title: Property RD and CAT(0) geometry
- Date/Time: May 15 (Thu), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Rolf Dyre Svegstrup**(University of Tokyo) - Title: 2D models in AQFT from wedge algebras
- Date/Time: May 29 (Thu), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoh Tanimoto**(University of Tokyo) - Title: Another analogue of the Borel-Weil theory on loop groups
- Date/Time: June 5 (Thu), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Masato Mimura**(University of Tokyo) - Title: On Lubotzky's property $(\tau)$ and expander graphs
- Date/Time: June 12 (Thu), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**David Kerr**(Texas A&M Univ.) - Title: Turbulence, representations, and trace-preserving actions
- Date/Time: June 19 (Thu), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroki Sako**(Univ. Tokyo) - Title: Solid groups and orbit equivalence rigidity
- Date/Time: June 26 (Thu), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Masamichi Takesaki**(UCLA) - Title: The Structure of a Hyponormal Operator (a joint work with Kotaro Tanahashi)
- Date/Time: July 10 (Thu), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**George Elliott**(Univ. Toronto) - Title: A canonical AF-algebra construction for rank two subgroups of R (A new description of the Pimsner-Voiculescu embedding)
- Date/Time: July 17 (Thu), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yves de Cornulier**(CNRS, Rennes) - Title: The space of subgroups of an abelian group
- Date/Time: September 9 (Tue), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Cyril Houdayer**(UCLA) - Title: Free Araki-Woods Factors and Connes's Bicentralizer Problem
- Date/Time: September 17 (Wed), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Scott Morrison**(UC Santa Barbara) - Title: The D
_{2n}planar algebras - Date/Time: October 16 (Thu), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Emily Peters**(UC Berkeley) - Title: Planar algebras and the Haagerup subfactor
- Date/Time: October 23 (Thu), 2008, 4:30PM-6:00PM

- Speaker:
- Departmental Colloquium
- Speaker:
**Benoit Collins**(Univ. Ottawa/Univ. Tokyo) - Title: On the spectral measure of the sum of elements in a finite von Neumann algebra
- Date/Time: October 24 (Fri), 2008, 4:30PM-5:30PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Mikaël Pichot**(IPMU) - Title: Groups of friezes and property RD
- Date/Time: November 13 (Thu), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Reiji Tomatsu**(Univ. Tokyo) - Title: Classification of actions of Kac algebras
- Date/Time: December 4 (Thu), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yasuhiko Sato**(Hokkaido Univ.) - Title: Certain aperiodic automorphisms of unital simple projectionless
C
^{*}-algebras - Date/Time: December 11 (Thu), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Benoit Collins**(Univ. Tokyo/Univ. Ottawa) - Title: Some geometric and probabilistic properties of the free quantum
group A
_{o}(n) - Date/Time: December 18 (Thu), 2008, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Stefaan Vaes**(K. U. Leuven) - Title: Rigidity for II
_{1}factors: fundamental groups, bimodules, subfactors - Date/Time: January 8 (Thu), 2009, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Alin Ciuperca**(Univ. Toronto) - Title: Isomorphism of Hilbert modules over stably
finite C
^{*}-algebras - Date/Time: January 15 (Thu), 2009, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoshitsugu Sekine**(Univ. Tokyo) - Title: On the electron-phonon interacting system
- Date/Time: January 22 (Thu), 2009, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Dietmar Bisch**(Vanderbilt Univ.) - Title: Bimodules, planarity and freeness
- Date/Time: April 9 (Thu), 2009, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoshiko Ogata**(Univ. Tokyo) - Title: Large Deviations in Quantum Spin Chains
- Date/Time: April 16 (Thu), 2009, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Katsutoshi Naito**(Tokyo Metropolitan Univ.) - Title: Entire Cyclic Cohomology of Noncommutative 2-Tori
- Date/Time: April 23 (Thu), 2009, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroki Sako**(Univ. Tokyo) - Title: Measure Equivalence Rigidity and Bi-exactness of Groups
- Date/Time: April 30 (Thu), 2009, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Masato Mimura**(Univ. Tokyo) - Title: A fixed point property and the Kazhdan property of
SL(n, Z[X
_{1}, ... , X_{k}]) for Banach spaces - Date/Time: May 7 (Thu), 2009, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Raphael Ponge**(Univ. Tokyo) - Title: Noncommutative geometry and lower dimensional volumes in Riemannian and CR geometry
- Date/Time: May 14 (Thu), 2009, 4:30PM-6:00PM

- Speaker:
- Departmental Colloquium
- Speaker:
**Yoshiko Ogata**(Univ. Tokyo) - Title: Large Deviations in Quantum Spin Chains
- Date/Time: May 22 (Fri), 2009, 4:30PM-5:30PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yasuhiko Sato**(Hokkaido Univ.) - Title: The Rohlin property for automorphisms of the Jiang-Su algebra
- Date/Time: May 28 (Thu), 2009, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoshiomi Nakagami**(Japan Women's University) - Title: Determinant for rectangular martices
- Date/Time: June 4 (Thu), 2009, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Chris Heunen**(Radboud Universiteit Nijmegen) - Title: A topos for algebraic quantum theory
- Date/Time: June 11 (Thu), 2009, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yasuyuki Kawahigashi**(Univ. Tokyo) - Title: The super Virasoro algebra and noncommutative geometry
- Date/Time: June 18 (Thu), 2009, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker: Akito Suzuki (Kyushu Univ./JSPS)
- Title: Infrared divergence of scalar quantum field model on pseudo Riemann manifold
- Date/Time: June 25 (Thu), 2009, 4:30PM-6:00PM

- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(Univ. Tokyo) - Title: Dixmier's Similarity Problem ---Littlewood and Forests---
- Date/Time: July 2 (Thu), 2009, 5:00PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Mikaël Pichot**(IPMU, Univ. Tokyo) - Title: Examples of groups of intermediate rank
- Date/Time: July 9 (Thu), 2009, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Ingo Runkel**(King's College London) - Title: Algebraic structures in conformal field theory
- Date/Time: July 16 (Thu), 2009, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Catherine Oikonomides**(Keio Univ.) - Title: Cyclic cohomology and the Novikov conjecture
- Date/Time: July 23 (Thu), 2009, 4:30PM-6:00PM

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Marek Bożejko**(University of Wrocław) - Title: Generalized Gaussian field, theta function of Jacobi and functor of second quantization
- Date/Time: September 7 (Mon.), 2009, 5:00-6:30

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Adam Skalski**(Lancaster University) - Title: On some questions related to Voiculescu's noncommutative topological entropy
- Date/Time: October 22 (Thu.), 2009, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Robert Coquereaux**(CNRS/CPT, Marseille) - Title: Fusion graphs for Lie groups at level k and quantum symmetries
- Date/Time: October 29 (Thu.), 2009, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroki Sako**(Univ. Tokyo) - Title: Recent results for amalgamated free products of type
II
_{1}factors - Date/Time: November 12 (Thu.), 2009, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Masato Mimura**(Univ. Tokyo) - Title: Vanishing of quasi-homomorphisms and the stable commutator lengths on special linear groups over euclidean rings
- Date/Time: December 3 (Thu.), 2009, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Qin Zhang**(Univ. Tokyo) - Title: Symmetric norms and spaces of operators modelled on a semifinite von Neumann algebra
- Date/Time: December 10 (Thu.), 2009, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yasuhiko Sato**(Hokkaido Univ.) - Title: Almost commuting unitaries and
**Z**^{2}-action - Date/Time: December 17 (Thu.), 2009, 4:30-6:00

- Speaker:
- Department Colloquium
- Speaker:
**Narutaka Ozawa**(Univ. Tokyo) - Title: Dixmier's similarity problem
- Date/Time: December 18 (Fri.), 2009, 4:30-5:30

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoh Tanimoto**(Univ. Roma "Tor Vergata") - Title: Symmetric representations of the group of diffeomorphisms of
**R** - Date/Time: December 22 (Tue.), 2009, 2:40-4:10
- Speaker:
**David Kerr**(Texas A&M Univ.) - Title: Topological entropy for actions of sofic groups
- Date/Time: December 22 (Tue.), 2009, 4:30-6:00

- Speaker:
- GCOE Seminar
- Speaker:
**Luc Rey-Bellet**(Univ. Massachusetts) - Title: Large deviations, Billiards, and Non-equilibrium Statistical Mechanics
- Date/Time: January 7, 2010 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Marius Junge**(Univ. Illinois, Urbana-Champaign) - Title: Applications of operator algebras in Quantum information theory
- Date/Time: January 14, 2010 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroshi Takai**(Tokyo Metropolotan Univ.) - Title: Entire Cyclic Cohomology of Noncommutative Spheres
- Date/Time: January 19, 2010 (Tue.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Makoto Yamashita**(Univ. Tokyo) - Title: On Subfactors Arising from Asymptotic Representations of Symmetric Groups
- Date/Time: January 21, 2010 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Roberto Longo**(Univ. Roma, "Tor Vergata") - Title: Von Neumann Algebras and Boundary Quantum Field Theory
- Date/Time: February 18, 2010 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Nigel Higson**(Pennsylvania State University) - Title: The Baum-Connes Conjecture and Group Representations
- Date/Time: April 22, 2010 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Makoto Yamashita**(Univ. Tokyo) - Title: Connes-Landi Deformation of Spectral Triples
- Date/Time: May 6, 2010 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Catherine Oikonomides**(Univ. Tokyo) - Title: The C*-algebra of codimension one foliations which are almost without holonomy
- Date/Time: May 27, 2010 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Makoto Yamashita**(Univ. Tokyo) - Title: L
^{2}-Betti number vanishing of certain inner amenable groups - Date/Time: June 3, 2010 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Mikaël Pichot**(IPMU) - Title: Random groups and nonarchimedean lattices
- Date/Time: June 10, 2010 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar/GCOE Seminar
- Speaker:
**Feng Xu**(UC Riverside) - Title: On a relative version of Wall's conjecture
- Date/Time: June 17, 2010 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Thomas Sinclair**(Vanderbilt Univ.) - Title: Strong solidity of factors from lattices in SO(n,1) and SU(n,1)
- Date/Time: June 24, 2010 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Robert Sims**(Univ. Arizona) - Title: On the Existence of the Dynamics for Anharmonic Quantum Oscillator Systems
- Date/Time: July 6, 2010 (Tue.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**David Penneys**(UC Berkeley) - Title: Killing weeds with annular multiplicities *10 via quadratic tangles
- Date/Time: July 8, 2010 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(Univ. Tokyo) - Title: Type II
_{1}von Neumann representations for Hecke operators on Maass forms (after F. Radulescu) - Date/Time: July 15, 2010 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Owen Sizemore**(UCLA) - Title: W
^{*}Rigidity for actions of wreath product groups - Date/Time: July 22, 2010 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yasuyuki Kawahigashi**(Univ. Tokyo) - Title: Nonstandard analysis for operator algebraists
- Date/Time: October 14 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Benoit Collins**(Univ. Ottawa) - Title: Free probability and entropy additivity problems for Quantum information theory
- Date/Time: October 21 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Makoto Yamashita**(Univ. Tokyo) - Title: Type III representations of the infinite symmetric group
- Date/Time: October 28 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoshiko Ogata**(Univ. Tokyo) - Title: Nonequilibrium Statistical Mechanics
- Date/Time: November 4 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Jean Roydor**(Univ. Tokyo) - Title: Perturbation of dual operator algebras and similarity
- Date/Time: November 18 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Reiji Tomatsu**(Tokyo Univ. Science) - Title: Classification of actions of Kac algebras
- Date/Time: November 25 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yi-Jun Yao**(Fudan Univ.) - Title: Noncommutative geometry and Rankin-Cohen brackets
- Date/Time: November 30 (Tue.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Ryszard Nest**(Univ. Copenhagen) - Title: Spectral flow associated to KMS states with periodic KMS group action
- Date/Time: December 9 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Nicolas Monod**(EPFL) - Title: Fixed point theorems and derivations
- Date/Time: December 16 (Thu.), 2010, 3:15-4:15
- Speaker:
**Marco Merkli**(Memorial Univ. Newfoundland) - Title: Evolution of Quantum Dynamical Systems
- Date/Time: December 16 (Thu.), 2010, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Raphaël Ponge**(Univ. Tokyo) - Title: Noncommutative geometry and diffeomorphism-invariant geometries
- Date/Time: January 11 (Tue.), 2011, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Robert Coquereaux**(CNRS/CPT) - Title: Global dimensions for fusion categories of type (
*G,k*) - Date/Time: January 13 (Thu.), 2011, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Claude-Alain Pillet**(Univ. de Toulon et du Var) - Title: Scattering induced current in a tight binding band
- Date/Time: January 18 (Tue.), 2011, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Masato Mimura**(Univ. Tokyo) - Title: Property (TT)/T and homomorphism rigidity into
Out(F
_{n}) - Date/Time: January 20 (Thu.), 2011, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroshi Takai**(Tokyo Metropolitan Univ.) - Title: Entire Cyclic Cohomology of Noncommutative Riemann Surfaces
- Date/Time: January 27 (Thu.), 2011, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takeshi Katsura**(Keio Univ.) - Title: Semiprojectivity of graph algebras
- Date/Time: January 28 (Fri.), 2011, 2:45-4:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Alan Weinstein**(UC Berkeley) - Title: Symplectic and quantum categories
- Date/Time: February 10 (Thu.), 2011, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Pedram Hekmati**(Univ. Adelaide) - Title: Dirac families and 1-cocycles
- Date/Time: February 18 (Fri.), 2011, 10:30-12:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Masayoshi Matsumura**(Univ. Tokyo) - Title: Amenable actions and crossed products of C*-algebras
- Date/Time: April 14 (Thu.), 2011, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroaki Yoshida**(Ochanomizu Univ.) - Title: On the free Fisher information distance and the free logarithmic Sobolev inequality
- Date/Time: June 9 (Thu.), 2011, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yusuke Isono**(Univ. Tokyo) - Title: Introduction to rigidity theory of von Neumann algebras
- Date/Time: June 16 (Thu.), 2011, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Raphaël Ponge**(IPMU) - Title: New perspectives for the local index formula in noncommutative geometry
- Date/Time: July 14 (Thu.), 2011, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Jean Roydor**(Univ. Tokyo) - Title: Almost completely isometric maps and applications
- Date/Time: July 21 (Thu.), 2011, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takeshi Katsura**(Keio Univ.) - Title: Towards the classification of non-simple
C
^{*}-algebras of real rank zero - Date/Time: October 7 (Fri.), 2011, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takehiko Yamanouchi**(Tokyo Gakugei Univ.) - Title: Hecke pairs in ergodic measure equivalence relations
- Date/Time: November 17 (Thu.), 2011, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Spyridon Michalakis**(Caltech) - Title: Stability of topological phases of matter
- Date/Time: November 22 (Tue.), 2011, 2:30-4:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Makoto Yamashita**(Univ. Roma) - Title: Deformation of algebras associated to group cocycles
- Date/Time: December 27 (Tue.), 2011, 2:30-4:00
- Speaker:
**Yoh Tanimoto**(Univ. Göttingen) - Title: Construction of wedge-local nets through Longo-Witten endomorphisms
- Date/Time: December 27 (Tue.), 2011, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yasuyuki Kawahigashi**(Univ. Tokyo) - Title: Classification and amenability in theory of von Neumann algebras
- Date/Time: January 5 (Thu.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(RIMS, Kyoto University) - Title: Is an irng singly generated as an ideal?
- Date/Time: January 16 (Mon.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Catherine Oikonomides**(Univ. Tokyo) - Title: The transverse fundamental class of linear foliations on torus bundles over the circle
- Date/Time: January 26 (Thu.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yusuke Isono**(Univ. Tokyo) - Title: Weak Exactness for C
^{*}-algebras and Application to Condition (AO) - Date/Time: February 2 (Thu.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Uuye Otgonbayar**(Cardiff University) - Title: The Kunneth theorem for K-theory
- Date/Time: March 16 (Fri.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Alex Kumjian**(University of Nevada, Reno) - Title: Twisted Higher Rank Graph C
^{*}-algebras (joint work with David Pask and Aidan Sims) - Date/Time: March 23 (Fri.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Shweta Sharma**(Univ. Paris Sud) - Title: Mathematical Aspects of Fractional Quantum Hall Effect
- Date/Time: April 11 (Wed.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Koichi Shimada**(Univ. Tokyo) - Title: Classification of Group Actions on Factors (after Masuda)
- Date/Time: April 18 (Wed.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takuya Takeishi**(Univ. Tokyo) - Title: Bost-Connes system and class field theory
- Date/Time: April 25 (Wed.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yuhei Suzuki**(Univ. Tokyo) - Title: A measurable group theoretic solution to von Neumann's Problem (after Gaboriau and Lyons)
- Date/Time: May 2 (Wed.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Makoto Yamashita**(Ochanomizu University) - Title: Equivariant comparison of quantum homogeneous spaces
- Date/Time: May 16 (Wed.), 2012, 4:30-6:00

- Speaker:
- A Series of Lectures on Operator Algebra Seminar
- Speaker:
**Yoshimichi Ueda**(Kyushu University) - Title: Introducition to free probability
- Date/Time: May 21 (Mon.)-24 (Fri.), 2012, 3:30-5:30

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Noppakhun Suthichitranont**(Univ. Tokyo) - Title: Conformal nets associated with lattices (after Dong and Xu)
- Date/Time: May 30 (Wed.), 2012, 4:30-6:00

- Speaker:
- A series of Lectures on Operator Algebras
- Speaker:
**Reiji Tomatsu**(Hokkaido University) - Title: Rohlin flows on von Neumann algebras
- Date/Time: June 4 (Mon.)-8 (Fri.), 2012, 3:30-5:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yasuyuki Kawahigashi**(Univ. Tokyo) - Title: Diagrammatical methods in theory of subfactors
- Date/Time: June 13 (Wed.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Ajay Kumar**(University of Delhi) - Title: Operator space projective tensor product
- Date/Time: June 20 (Wed.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Luca Tomassini**(Univ. Roma, Tor Vergata) - Title: Noncommutative Geometry Of The Moyal Plane: Connes's Distance and Translation Isometries
- Date/Time: June 27 (Wed.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(RIMS, Kyoto University) - Title: Cantor minimal systems and finitely generated simple amenable groups (after Matui and Juschenko--Monod)
- Date/Time: June 29 (Fri.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar/GCOE Lecture
- Speaker:
**George Elliott**(University of Toronto) - Title: An introduction to C
^{*}-algebra classification theory - Date/Time: July 17 (Tue.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar/GCOE Lecture
- Speaker:
**George Elliott**(University of Toronto) - Title: A survey of recent results on the classification of
C
^{*}-algebras - Date/Time: July 25 (Wed.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Masamichi Takesaki**(UCLA) - Title: Non-Commutative Integration
- Date/Time: October 3 (Wed.), 2012, 3:00-4:30

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Juan Orendain**(UNAM/Univ. Tokyo) - Title: The geometric complex and Khovanov-type knot homologies
- Date/Time: October 10 (Wed.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar/GCOE Lecture
- Speaker:
**Dietmar Bisch**(Vanderbilt University) - Title: Subfactors with small Jones index
- Date/Time: November 16 (Fri.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Norio Nawata**(Chiba University) - Title: Fundamental group of simple C
^{*}-algebras with unique trace - Date/Time: November 28 3 (Wed.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoh Tanimoto**(Univ. Göttingen) - Title: Construction of two dimensional QFT through Longo-Witten endomorphisms
- Date/Time: December 5 (Wed.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar/FMSP Lecture
- Speaker:
**N. Christopher Phillips**(Univ. Oregon) - Title: Large subalgebras of crossed product C
^{*}-algebras (abstract) - Date/Time: December 12 (Wed.), 2012, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Mihaita Berbec**(KU Leuven) - Title: W
^{*}-superrigidity for left-right wreath products - Date/Time: December 19 (Wed.), 2012, 3:45-4:45
- Speaker:
**Zhuang Niu**(Univ. Wyoming) - Title: A classification of approximate subhomogeneous C
^{*}-algebras (abstract) - Date/Time: December 19 (Wed.), 2012, 5:00-6:00

- Speaker:
- Operator Algebra Seminar
- Operator Algebra Seminar/GCOE Seminar
- Speaker:
**David Evans**(Cardiff Univ.) - Title: Exotic subfactors and conformal field theories
- Date/Time: January 23 (Wed.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**David Kerr**(Univ. Tokyo/Texas A&M Unv.) - Title: Combinatorial independence, amenability, and sofic entropy (abstract)
- Date/Time: February 7 (Thu.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar/FMSP Lecture
- Speaker:
**Stefaan Vaes**(KU Leuven) - Title: II
_{1}factors with a unique Cartan subalgebra - Date/Time: February 22 (Fri.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroshi Ando**(IHES) - Title: Ultraproducts of von Neumann algebras (abstract)
- Date/Time: March 18 (Mon.), 2013, 4:00-5:30

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takuya Takeishi**(Univ. Tokyo) - Title: On nuclearity of C
^{*}-algebras associated with Fell bundles over étale groupoids - Date/Time: April 10 (Wed.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Tamar Friedmann**(Univ. Rochester) - Title: Singularities, algebras, and the string landscape
- Date/Time: April 17 (Wed.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Paul Muhly**(Univ. Iowa) - Title: Boundaries for Tensor Algebras
- Date/Time: May 8 (Wed.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Koichi Shimada**(Univ. Tokyo) - Title: Rohlin Flows on Amalgamated Free Product Factors
- Date/Time: May 15 (Wed.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yuki Arano**(Univ. Tokyo) - Title: On full group C*-algebras of discrete quantum groups
- Date/Time: May 29 (Wed.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yosuke Kubota**(Univ. Tokyo) - Title: A generalization of the spectral flow and localization of index
- Date/Time: June 19 (Wed.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Mikael Pichot**(McGill Univ.) - Title: The sofic property for groups and dynamical systems
- Date/Time: July 24 (Wed.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Demosthenes Ellinas**(Technical Univ. Crete) - Title: Phase Plane Operator Valued Probability Measures: Constructions and Random Evolution (abstract)
- Date/Time: August 8 (Thu.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Tullio G. Ceccherini-Silberstein**(Univ. Sannio) - Title: Cellular automata and groups (abstract)
- Date/Time: August 9 (Fri.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar/FMSP Lecture
- Speaker:
**Roberto Longo**(Univ. Roma, Tor Vergata) - Title: Operator Algebraic Construction of Quantum Field Theory Models
- Date/Time: August 12 (Mon.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Koichi Shimada**(Univ. Tokyo) - Title: A classification of flows on AFD factors with faithful Connes-Takesaki modules
- Date/Time: October 2 (Wed.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Pierre Fima**(Univ. Paris 7/Univ. Tokyo) - Title: Graphs of quantum groups and K-amenability
- Date/Time: October 9 (Wed.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yusuke Isono**(Univ. Tokyo) - Title: Some prime factorization results for free quantum group factors
- Date/Time: October 16 (Wed.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Makoto Yamashita**(Ochanomizu Univ.) - Title: Classification of quantum homogeneous spaces
- Date/Time: October 23 (Wed.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yuhei Suzuki**(Univ. Tokyo) - Title: Amenable minimal Cantor systems of free groups arising from diagonal actions
- Date/Time: October 30 (Wed.), 2013, 4:30-6:00

- Speaker:
- A series of lectures on operator algebras
- Speaker:
**Reiji Tomatsu**(Hokkaido Univ.) - Title: Introduction to the Ando-Haagerup theory
- Date/Time: November 5 (Tue.), 2013, 3:30-5:30
- Date/Time: November 6 (Wed.), 2013, 10:00-12:00
- Date/Time: November 7 (Thu.), 2013, 3:30-5:30
- Date/Time: November 8 (Fri.), 2013, 10:00-12:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Issan Patri**(Inst. Math. Sci.) - Title: Automorphisms of compact quantum groups
- Date/Time: November 13 (Wed.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Camille Male**(Univ. Paris VII) - Title: The spectrum of large random matrices, the non commutative random variables and the distribution of traffics
- Date/Time: November 20 (Wed.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Shuhei Masumoto**(Univ. Tokyo) - Title: Countable Chain Condition for C*-algebras
- Date/Time: December 26 (Thu.), 2013, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Sakae Fuchino**(Kobe Univ.) - Title: Dow's metrization theorem and beyond
- Date/Time: January 8 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoh Tanimoto**(Univ. Tokyo/Univ. G&oouml;ttingen) - Title: Wedge-local fields in integrable models with bound states
- Date/Time: January 15 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Ryszard Nest**(Univ. Copenhagen) - Title: Index and determnant of n-tuples of commuting operators
- Date/Time: April 9 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takuya Takeishi**(Univ. Tokyo) - Title: Bost-Connes system for local fields of characteristic zero
- Date/Time: April 23 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(RIMS, Kyoto Univ.) - Title: Noncommutative real algebraic geometry of Kazhdan's property (T)
- Date/Time: April 30 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yul Otani**(Univ. Tokyo) - Title: A Supersymmetric model in AQFT (after Buchholz and Grundling)
- Date/Time: May 14 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Masato Mimura**(Tohoku Univ.) - Title: Group approximation in Cayley topology and coarse geometry, part I: coarse embeddings of amenable groups
- Date/Time: May 21 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Makoto Yamashita**(Ochanomizu Univ.) - Title: Poisson boundary of monoidal categories
- Date/Time: May 28 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Ion Nechita**(Univ. Paul Sabatier) - Title: Positive and completely positive maps via free additive powers of probability measures
- Date/Time: June 4 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yosuke Kubota**(Univ. Tokyo) - Title: Finiteness of K-area and the dual of the Baum-Connes conjecture
- Date/Time: June 11 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yuki Arano**(Univ. Tokyo) - Title: Toward the classification of irreducible unitary spherical representations
of the Drinfeld double of SU
_{q}(3) - Date/Time: June 18 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hajime Moriya**(Shibaura Inst. Tech.) - Title: Supersymmetric C*-dynamical systems
- Date/Time: June 25 (Wed.), 2014, 4:45-6:00

- Speaker:
- FMSP Lecture/Operator Algebra Seminar
- Speaker:
**George Elliott**(Univ. Toronto) - Title: The Cuntz semigroup---a critical component for classification? (abstract)
- Date/Time: July 23 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Cyril Houdayer**(ENS Lyon) - Title: Asymptotic structure of free Araki-Woods factors
- Date/Time: July 29 (Tue.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Serge Richard**(Nagoya Univ.) - Title: Back-and-forth between scattering theory and index theorems
- Date/Time: October 1 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hanfeng Li**(SUNY Buffalo) - Title: Entropy and L
^{2}-torsion - Date/Time: October 2 (Thu.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yuhei Suzuki**(Univ. Tokyo/RIMS, Kyoto Univ.) - Title: Ambient nuclear C
^{*}-algebras of certain extensions of C^{*}_{r}F_{d} - Date/Time: October 8 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Koichi Shimada**(Univ. Tokyo) - Title: Classification of actions of compact abelian groups on subfactors with index less than 4
- Date/Time: October 15 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yusuke Isono**(Kyoto Univ.) - Title: Free independence in ultraproduct von Neumann algebras and applications
- Date/Time: October 22 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Sven Raum**(RIMS, Kyoto Univ.) - Title: The classification of easy quantum groups
- Date/Time: October 29 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroshi Ando**(Univ. Copenhagen) - Title: On the noncommutativity of the central sequence
C
^{*}algebra F(A) - Date/Time: November 5 (Wed.), 2014, 4:30-6:00

- Speaker:
- A series of lectures
- Speaker:
**Reiji Tomatsu**(Hokkaido Univ.) - Title: Introduction to Haagerup's bicentralizer paper
- Date/Time: November 17 (Mon.), 2014, 1:00-3:00
- Date/Time: November 18 (Tue.), 2014, 1:00-3:00
- Date/Time: November 19 (Wed.), 2014, 1:00-3:00
- Date/Time: November 20 (Thu.), 2014, 1:00-3:00
- Date/Time: November 21 (Fri.), 2014, 3:00-5:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yi-Zhi Huang**(Rutgers Univ.) - Title: A program to construct and study conformal field theories
- Date/Time: November 26 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yuki Arano**(Univ. Tokyo) - Title: Central property (T) for SU
_{q}(2n+1) - Date/Time: December 3 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Akitaka Kishimoto**(Hokkaido Univ.) - Title: Approximately inner flows on C
^{*}-algebras - Date/Time: December 10 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Valentin Zagrebnov**(Univ. d'Aix-Marseille) - Title: Dynamics of an Open Quantum System with Repeated Harmonic Perturbation (with Hiroshi Tamura)
- Date/Time: December 17 (Wed.), 2014, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Tomohiro Hayase**(Univ. Tokyo) - Title: De Finetti theorems related to Boolean independence
- Date/Time: January 7 (Wed.), 2015, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Zhuofeng He**(Univ. Tokyo) - Title: Canonical cyclic group actions on noncommutative tori
- Date/Time: January 14 (Wed.), 2015, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Zhenghan Wang**(Microsoft Research Station Q) - Title: Classification of (2+1)-TQFTs and its applications to physics and quantum computation
- Date/Time: February 23 (Mon.), 2015, 4:30-6:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoshikata Kida**(Univ. Tokyo) - Title: On treeable equivalence relations arising from the Baumslag-Solitar groups
- Date/Time: April 8 (Wed.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Juan Orendain**(UNAM/Univ. Tokyo) - Title: On the tricategory of coordinate free conformal nets
- Date/Time: April 15 (Wed.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yuhei Suzuki**(Univ. Tokyo) - Title: Construction of minimal skew products of amenable minimal dynamical systems
- Date/Time: April 22 (Wed.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yosuke Kubota**(Univ. Tokyo) - Title: Controlled topological phases and the bulk-edge correspondence for topological insulators
- Date/Time: May 13 (Wed.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yusuke Isono**(RIMS, Kyoto Univ.) - Title: Unique prime factorization and bicentralizer problem for a class of type III factors
- Date/Time: May 20 (Wed.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**John F. R. Duncan**(Case Western Reserve Univ.) - Title: Vertex operator algebras in umbral Moonshine
- Date/Time: May 27 (Wed.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(RIMS, Kyoto Univ.) - Title: The Furstenberg boundary and C
^{*}-simplicity - Date/Time: June 3 (Wed.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**David Kerr**(Texas A&M Univ.) - Title: Dynamics, dimension, and C
^{*}-algebras - Date/Time: June 10 (Wed.), 2015, 4:45-6:15
- Room: Math. Sci. 122

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoh Tanimoto**(Univ. Tokyo) - Title: Self-adjointness of bound state operators in integrable quantum field theory
- Date/Time: June 17 (Wed.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Matthew Cha**(UC Davis) - Title: Gapped ground state phases, topological order and anyons
- Date/Time: June 24 (Wed.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Vaughan F. R. Jones**(Vanderbilt Univ.) - Title: Block spin renormalization and R. Thompson's groups F and T
- Date/Time: June 29 (Mon.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Koichi Shimada**(Univ. Tokyo) - Title: Approximate unitary equivalence of finite index endomorphisms of the AFD factors
- Date/Time: July 1 (Wed.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar/FMSP Lecture
- Speaker:
**Marcel Bischoff**(Vanderbilt Univ.) - Title: Conformal field theory, subfactors and planar algebras
- Date/Time: July 8 (Wed.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar/FMSP Lecture
- Speaker:
**George Elliott**(Univ. Toronto) - Title: Recent progress in the classification of amenable C
^{*}-algebras - Date/Time: July 22 (Wed.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Mikael Pichot**(McGill Univ.) - Title: Applications of Boltzmann's S=k log W in algebra and analysis
- Date/Time: July 24 (Fri.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Shuhei Masumoto**(Univ. Tokyo) - Title: Fraisse Theory for Metric Structures
- Date/Time: October 14 (Wed.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroki Sako**(Niigata Univ.) - Title: Uniformly locally finite metric spaces and Folner type conditions
- Date/Time: October 28 (Wed.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Max Lein**(AIMR, Tohoku Univ.) - Title: Combining Pseudodifferential and Vector Bundle Techniques, and Their Applications to Topological Insulators
- Date/Time: November 25 (Wed.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Makoto Yamashita**(Ochanomizu Univ.) - Title: Drinfeld center and representation theory for monoidal categories
- Date/Time: December 2 (Wed.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**David E. Evans**(Cardiff Univ.) - Title: K-theory in subfactors and conformal field theory
- Date/Time: December 9 (Wed.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yul Otani**(Univ. Tokyo) - Title: Nuclearity in AQFT and related results
- Date/Time: December 16 (Wed.), 2015, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Benoit Collins**(Kyoto Univ.) - Title: Quantum channels from the free orthogonal quantum group
- Date/Time: January 6 (Wed.), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Alexander Kumjian**(Univ. Nevada, Reno) - Title: A Stabilization Theorem for Fell Bundles over Groupoids
- Date/Time: January 13 (Wed.), 2016, 4:45-6:15

- Speaker:
- A series of lectures
- Speaker:
**Reiji Tomatsu**(Hokkaido Univ.) - Title: Introduction to C
^{*}-tensor categories - Date/Time: January 18-22, 2016, 3:00-5:00

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Roberto Longo**(Univ. Rome) - Title: Equilibrium and non-equilibrium states in Conformal Field Theory
- Date/Time: March 8 (Tue), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Bas Jordans**(Univ. Oslo) - Title: Convergence to the boundary for random walks on discrete quantum groups
- Date/Time: March 11 (Fri), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Ryszard Nest**(Univ. Copenhagen) - Title: On analytic construction of the group three-cocycles
- Date/Time: April 11 (Mon), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Juan Orendain**(UNAM/Univ. Tokyo) - Title: On the functoriality of Haagerup's L
^{2}-space construction: Verticalizing decorated 2-categories - Date/Time: April 18 (Mon), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Makoto Yamashita**(Ochanomizu Univ.) - Title: Graded twisting of quantum groups, actions, and categories
- Date/Time: April 25 (Mon), 2016, 4:45-6:15
- Room: 118 Math. Sci. Building

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Mikael Pichot**(Univ. Tokyo/McGill Univ.) - Title: Surgery theory and discrete groups
- Date/Time: May 9 (Mon), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yosuke Kubota**(Univ. Tokyo) - Title: Compact Lie group actions on C
^{*}-algebras with the continuous Rokhlin property - Date/Time: May 30 (Mon), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yuhei Suzuki**(Chiba Univ.) - Title: Minimal ambient nuclear C
^{*}-algebras - Date/Time: June 6 (Mon), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Liang Kong**(Univ. New Hampshire/Harvard Univ.) - Title: Lattices models for topological orders and boundary-bulk duality
- Date/Time: June 13 (Mon), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yusuke Isono**(RIMS, Kyoto Univ.) - Title: Bi-exact groups, strongly ergodic actions and group measure space type III factors with no central sequence
- Date/Time: June 20 (Mon), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Shuhei Masumoto**(Univ. Tokyo) - Title: Fraïssé Theory and Jiang-Su algebra
- Date/Time: July 11 (Mon), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**N. Christopher Phillips**(Univ. Oregon) - Title: Radius of comparison for C
^{*}crossed products by free minimal actions of amenable groups - Date/Time: July 22 (
*Fri*), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Sorin Popa**(UCLA) - Title: Constructing MASAs with prescribed properties
- Date/Time: September 26 (Mon), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yuki Arano**(Univ. Tokyo) - Title: C
^{*}-tensor categories and subfactors for totally disconnected groups - Date/Time: October 3 (Mon), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroshi Ando**(Chiba Univ.) - Title: Unitarizability, Maurey-Nikishin factorization and Polish groups of finite type
- Date/Time: October 17 (Mon), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yusuke Isono**(RIMS, Kyoto Univ.) - Title: Cartan subalgebras of tensor products of free quantum group factors with arbitrary factors
- Date/Time: October 24 (Mon), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(RIMS, Kyoto Univ.) - Title: Finite-dimensional representations constructed from random walks (joint work with A. Erschler)
- Date/Time: November 21 (Mon), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takahiro Hasebe**(Hokkaido Univ.) - Title: Fock space deformed by Coxeter groups
- Date/Time: November 28 (Mon), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Shuhei Masumoto**(Univ. Tokyo) - Title: On a generalized Fraïssé limit construction
- Date/Time: December 5 (Mon), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Tatsuki Seto**(Nagoya Univ.) - Title: The Roe cocycle and an index theorem on partitioned manifolds, and toward generalizations
- Date/Time: December 12 (Mon), 2016, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yosuke Kubota**(Riken) - Title: Reconstruction of the Bost-Connes groupoid from K-theoretic data
- Date/Time: April 10 (Mon), 2017, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoshikata Kida**(Univ. Tokyo) - Title: On diagonal actions whose full group is closed
- Date/Time: April 17 (Mon), 2017, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Kei Hasegawa**(Kyushu Univ.) - Title: Bass-Serre trees of amalgamated free product C
^{*}-algebras - Date/Time: April 24 (Mon), 2017, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Toshihiko Masuda**(Kyushu Univ.) - Title: Classification of Roberts actions of strongly amenable
C
^{*}-tensor categories on the injective factor of type III_{1} - Date/Time: May 22 (Mon), 2017, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yusuke Isono**(RIMS, Kyoto Univ.) - Title: On fundamental groups of tensor product II
_{1}factors - Date/Time: May 29 (Mon), 2017, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**David Kerr**(Texas A&M Univ.) - Title: Dimension, comparison, and almost finiteness
- Date/Time: June 26 (Mon), 2017, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yuichiro Kitajima**(Nihon Univ.) - Title: A State-Dependent Noncontextuality Inequality in Algebraic Quantum Theory
- Date/Time: July 3 (Mon), 2017, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yuki Arano**(Kyoto Univ.) - Title: Rokhlin actions of fusion categories
- Date/Time: July 10 (Mon), 2017, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Benoit Collins**(Kyoto Univ.) - Title: Free orthogonal groups and quantum information
- Date/Time: July 28 (
*Fri*), 2017, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Mikael Pichot**(RIMS, Kyoto Univ./McGill Univ.) - Title: Introduction to intermediate rank geometry
- Date/Time: October 2 (Mon), 2017, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yusuke Sawada**(Nagoya Univ.) - Title: The bicategory of W
^{*}-bimodules - Date/Time: October 30 (Mon), 2017, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Juan Orendain**(UNAM) - Title: Globularily generated double categories: On the problem of existence of internalizations for decorated bicategories
- Date/Time: November 13 (Mon), 2017, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Pieter Naaijkens**(RWTH Aachen Univ.) - Title: Subfactors and wiretapping channels
- Date/Time: December 4 (Mon), 2017, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Zhuofeng He**(Univ. Tokyo) - Title: Isomorphism and Morita equivalence classes for
crossed product of irrational rotation algebras by
cyclic subgroups of SL
_{2}(Z) - Date/Time: December 18 (Mon), 2017, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(RIMS, Kyoto Univ.) - Title: Kazhdan's property (T) and semidefinite programming
- Date/Time: December 25 (Mon), 2017, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Tomohiro Hayase**(Univ. Tokyo) - Title: On Cauchy noise loss in a stochastic parameter optimization of random matrices
- Date/Time: January 22 (Mon), 2018, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Michiya Mori**(Univ. Tokyo) - Title: Tingley's problem for operator algebras
- Date/Time: January 29 (Mon), 2018, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Valerio Proietti**(Copenhagen Univ.) - Title: Index theory on the Mishchenko bundle
- Date/Time: February 14 (
*Wed.*), 2018, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Doman Takata**(Univ. Tokyo) - Title: Equivariant index theory of infinite dimensional spaces and noncommutative geometry
- Date/Time: April 18 (Wed.), 2018, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Gabor Szabo**(Copenhagen Univ.) - Title: Classification of Rokhlin flows
- Date/Time: May 2 (Wed.), 2018, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yusuke Isono**(RIMS, Kyoto University) - Title: Factoriality, Connes' invariants and fullness of amalgamated free products
- Date/Time: May 9 (Wed.), 2018, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Ryokichi Tanaka**(Tohoku University) - Title: Poisson boundary for the discrete affine group
- Date/Time: June 13 (Wed.), 2018, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Ryszard Nest**(Copenhagen Univ.) - Title: Equivariant index theorem
- Date/Time: June 18 (
*Mon.*), 2018, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Seung-Hyeok Kye**(Seoul National Univ.) - Title: Positivity of multi-linear maps and applications to separability criteria for multi-qubit states
- Date/Time: June 27 (Wed.), 2018, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**George Elliott**(Univ. Toronto) - Title: Recent progress in the classification of amenable C*-algebras (cont'd)
- Date/Time: July 11 (Wed.), 2018, 5:15-6:45

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Srinivasan Raman**(Chennai Mathematical Institute) - Title: E
_{0}-semigroups on factors - Date/Time: August 8 (Wed.), 2018, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Lucas Teyssier**(École Normale Superieure) - Title: Limit profile for the card shuffle by random transpositions
- Date/Time: August 24 (Fri.), 2018, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroshi Ando**(Chiba University) - Title: Structure of bicentralizer algebras and inclusions of type III factors
- Date/Time: October 3 (Wed.), 2018, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Kaijing Ling**(Harbin Institute of Technology/University of Tokyo) - Title: Extensions of modules over some conformal algebras related to Virasoro algebra
- Date/Time: October 10 (Wed.), 2018, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Michiya Mori**(University of Tokyo) - Title: The Mazur-Ulam property for unital C
^{*}-algebras - Date/Time: October 24 (Wed.), 2018, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Tomohiro Hayase**(University of Tokyo) - Title: Strong Tools in Free Probability Theory
- Date/Time: October 31 (Wed.), 2018, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takaaki Moriyama**(University of Tokyo) - Title: Orbit equivalence classes for free actions of free products of infinite abelian groups
- Date/Time: November 21 (Wed.), 2018, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Mayuko Yamashita**(University of Tokyo) - Title: Localization of signature for singular fiber bundles
- Date/Time: November 28 (Wed.), 2018, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Frederic Latremoliere**(University of Denver) - Title: The Gromov-Hausdorff Propinquity
- Date/Time: December 5 (Wed.), 2018, 5:15-6:45

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Rei Mizuta**(University of Tokyo) - Title: Polynomial Time Algorithm for Computing N-th Moments of a Self-Adjoint Operator in Algebra Generated by Free Independent Semicircular Elements
- Date/Time: December 19 (Wed.), 2018, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yohei Fuji**(Riken) - Title: Construction of models of topological phases using 2-dimensional conformal field theory
- Date/Time: Januar 30 (Wed.), 2019, 4:45-6:15

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takashi Satomi**(Univ. Tokyo) - Title: Relations between the L
^{2}estimate of convolution functions on groups and graph theory - Date/Time: 4:45-6:15pm, April 17 (Wed.), 2019

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Sorin Popa**(UCLA/Kyoto Univ.) - Title: Coarse decomposition of II
_{1}factors - Date/Time: 1:00-2:30pm, April 19 (Fri.), 2019

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yusuke Isono**(RIMS, Kyoto Univ.) - Title: Unitary conjugacy for type III subfactors and W*-superrigidity
- Date/Time: 4:45-6:15pm, May 8 (Wed.), 2019

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takayuki Kihara**(Nagoya Univ.) - Title: Combinatorial aspects of Borel functions
- Date/Time: 4:45-6:15pm, May 15 (Wed.), 2019

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Ryosuke Sato**(Nagoya Univ.) - Title: Type classification of extreme quantized characters
- Date/Time: 4:45-6:15pm, June 19 (Wed.), 2019

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Keisuke Yoshida**(Hokkaido Univ.) - Title: KMS states on operator algebras associated with self-similar group actions
- Date/Time: 4:45-6:15pm, June 26 (Wed.), 2019

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Amine Marrakchi**(RIMS, Kyoto Univ.) - Title: Tensor product decompositions and rigidity of full factors
- Date/Time: 5:15-6:45pm, July 3 (Wed.), 2019

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroki Sako**(Niigata Univ.) - Title: Convergence theorems on multi-dimensional homogeneous quantum walks
- Date/Time: 4:45-6:15pm, July 10 (Wed.), 2019

- Speaker:
- Operator Algebra Seminar
- Speaker:
**George Elliott**(Univ. Toronto) - Title: The classification of well behaved simple C*-algebras
- Date/Time: 4:45-6:15pm, July 25 (Thu.), 2019

- Speaker:
- Operator Algebra Seminar
- Speaker:
**David Evans**(Cardiff Univ.) - Title: Subfactors, K-theory and Equivariant Higher Twists
- Date/Time: 4:45-6:15pm, October 2 (Wed.), 2019

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yosuke Kubota**(Riken) - Title: Relative K-homology group of C
^{*}-algebras and almost flat vector bundle on manifolds with boundary - Date/Time: 4:45-6:15pm, October 9 (Wed.), 2019

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Shinobu Hikami**(OIST) - Title: Developments in conformal bootstrap analysis
- Date/Time: 4:45-6:15pm, October 16 (Wed.), 2019

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yuto Moriwaki**(Univ. Tokyo) - Title: Deformation of two-dimensional conformal field theory and vertex algebra
- Date/Time: 4:45-6:15pm, November 6 (Wed.), 2019

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Stefan Hollands**(Univ. Leipzig) - Title: Modular theory and entanglement in CFT
- Date/Time: 4:45-6:15pm, November 20 (Wed.), 2019

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Taro Sogabe**(Kyoto Univ.) - Title: The homotopy groups of the automorphism groups of Cuntz-Toeplitz algebras
- Date/Time: 5:15-6:45pm, November 27 (Wed.), 2019

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Doman Takata**(Univ. Tokyo) - Title: An infinite-dimensional index theory and the Higson-Kasparov-Trout algebra
- Date/Time: 4:45-6:15pm, December 4 (Wed.), 2019

- Speaker:
- CREST Seminar
- Speaker:
**Zhenghan Wang**(Microsoft/UC Santa Barbara) - Title: On gauging symmetries of topological phases of matter
- Date/Time: 5:00-6:30pm, December 10 (Tue.), 2019

- Speaker:
- CREST Seminar
- Speaker:
**Pasquale Marra**(Univ. Tokyo) - Title: The Hofstadter model, fractality, and topology
- Date/Time: 4:45-6:15pm, December 18 (Wed.), 2019

- Speaker:
- CREST Seminar
- Speaker:
**Bin Gui**(Rutgers Univ.) - Title: Connes fusion on the unit circle
- Date/Time: 4:45-6:15pm, December 25 (Wed.), 2019

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Makoto Yamashita**(Oslo Univ.) - Title: Categorical quantization of symmetric spaces and reflection equation
- Date/Time: 4:45-6:15pm, December 26 (Thu.), 2019

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Colin McSwiggen**(Brown University) - Title: Horn's problem, polytope volumes and tensor product decompositions
- Date/Time: 1:00-2:30pm, January 29 (Wed.), 2020

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Cyril Houdayer**(Univ. Paris-Sud) - Title: Stationary actions of higher rank lattices on von Neumann algebras
- Date/Time: 4:45-6:15pm, January 29 (Wed.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Cyril Houdayer**(Univ. Paris-Sud/Univ. Tokyo) - Title: Structure theorem for unitary representations of irreducible lattices in product groups
- Date/Time: 4:45-6:15pm, April 16 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Michiya Mori**(Univ. Tokyo) - Title: Lattice isomorphisms between projection lattices of von Neumann algebras
- Date/Time: 4:45-6:15pm, April 23 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Felix Parraud**(ENS Lyon) - Title: Interpolation between random matrices and their free limit with the help of free stochastic processes
- Date/Time: 4:45-6:15pm, April 30 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Mayuko Yamashita**(RIMS, Kyoto Univ.) - Title: A new construction of deformation quantization for Lagrangian fiber bundles
- Date/Time: 4:45-6:15pm, May 7 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Yusuke Isono**(RIMS, Kyoto Univ.) - Title: Connes' bicentralizer problem for q-deformed Araki-Woods algebras
- Date/Time: 4:45-6:15pm, May 14 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Takuya Takeishi**(Kyoto Institute of Technology) - Title: Partition functions as C
^{*}-dynamical invariants and actions of congruence monoids - Date/Time: 4:45-6:15pm, May 21 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Yosuke Kubota**(Shinshu University) - Title: Index theorem of lattice Wilson-Dirac operators and almost-commuting matrices
- Date/Time: 4:45-6:15pm, May 28 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Yuhei Suzuki**(Hokkaido Univ.) - Title: Equivariant O
_{2}-absorption theorem for exact groups - Date/Time: 4:45-6:15pm, June 4 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Makoto Yamashita**(Univ. Oslo) - Title: Homology and K-theory of torsion free ample groupoids and Smale spaces
- Date/Time: 4:45-6:15pm, June 11 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Yoshimichi Ueda**(Nagoya Univ.) - Title: On Arveson's boundary theorem
- Date/Time: 4:45-6:15pm, June 18 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Rémi Boutonnet**(Univ. Bordeaux) - Title: Properly proximal groups and their von Neumann algebras
- Date/Time: 4:45-6:15pm, June 25 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Toshihiko Masuda**(Kyushu Univ.) - Title: Outer actions (G-kernels) of discrete amenable groupoids on injective factors
- Date/Time: 4:45-6:15pm, July 2 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Amine Marrakchi**(ENS Lyon) - Title: Affine isometric actions of groups on L
_{p}-spaces : dependence on the value of p - Date/Time: 4:45-6:15pm, July 9 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Christian Voigt**(Univ. Glasgow) - Title: Complex quantum groups and the Baum-Connes conjecture
- Date/Time: 4:45-6:15pm, July 16 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Norio Nawata**(Osaka Univ.) - Title: A characterization of the Razak-Jacelon algebra
- Date/Time: 4:45-6:15pm, October 1 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Narutaka Ozawa**(RIMS, Kyoto Univ.) - Title: An entropic proof of cutoff on Ramanujan graphs
- Date/Time: 4:45-6:15pm, October 8 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Sven Raum**(Stockholm Univ.) - Title: Structure of Hecke von Neumann algebras and applications to representation theory
- Date/Time: 4:45-6:15pm, October 15 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Hiroyasu Hamada**(National Institute of Technology, Sasebo College) - Title: C*-algebras generated by multiplication operators and composition operators by functions with self-similar branches
- Date/Time: 4:45-6:15pm, October 22 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Yoh Tanimoto**(University of Rome, Tor Vergata) - Title: Continuum (free) fields from lattice wavelet renormalization
- Date/Time: 3:30-5:00pm, October 29 (Thu.), 2020 (
*Note that the time slot is different from usual.*)

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Zhengwei Liu**(Tsinghua University) - Title: Subfactors and Quantum Fourier Analysis
- Date/Time: 4:45-6:15pm, November 5 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Sutanu Roy**(NISER) - Title: Contraction and bosonisation
- Date/Time: 4:45-6:15pm, November 12 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Vincenzo Morinelli**(University of Rome, Tor Vergata) - Title: Covariant homogeneous nets of standard subspaces
- Date/Time: 4:45-6:15pm, November 19 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Benoit Collins**(Kyoto Univ.) - Title: Generalized strong asymptotic freeness
- Date/Time: 4:45-6:15pm, December 3 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Gabor Szabo**(KU Leuven) - Title: The equivariant Kirchberg-Phillips theorem
- Date/Time: 4:45-6:15pm, December 10 (Thu.), 2020

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Colin McSwiggen**(Univ. Tokyo) - Title: An extremely close look at the arithmetic-geometric inequality
- Date/Time: 4:45-6:15pm, January 7 (Thu.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Masato Mimura**(Tohoku Univ.) - Title: The Green-Tao theorem for number fields
- Date/Time: 4:45-6:15pm, January 14 (Thu.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Kan Kitamura**(Univ. Tokyo) - Title: On induction along a homomorphism of compact quantum groups
- Date/Time: 4:45-6:15pm, January 21 (Thu.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**James Tener**(Australian National Univ.) - Title: Finite-index subfactors and rational conformal field theory
- Date/Time: 4:45-6:15pm, January 28 (Thu.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Sebastiano Carpi**(Univ. Roma, "Tor Vergata") - Title: Conformal nets from positive energy representations of the Zamolodchikov W
_{3}algebra with central charge greater than or equal to two - Date/Time: 4:45-6:15pm, February 18 (Thu.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Frederic Latremoliere**(Univ. Denver) - Title: Finite Dimensional Approximations of Spectral Triples on Quantum tori
- Date/Time: 4:45-6:15pm, April 6 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Yasuhito Hashiba**(Univ. Tokyo) - Title: On central sequence algebras of tracial von Neumann algebras
- Date/Time: 4:45-6:15pm, April 13 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Yusuke Isono**(RIMS, Kyoto Univ.) - Title: Boundary and rigidity of nonsingular Bernoulli actions
- Date/Time: 4:45-6:15pm, April 20 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Yosuke Kubota**(Shinshu Univ.) - Title: The bulk-boundary correspondence for topological insulators on lattices with screw dislocation
- Date/Time: 4:45-6:15pm, April 27 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Pieter Naaijkens**(Cardiff Univ.) - Title: The split property and absence of superselection sectors in 2D
- Date/Time: 5:15-6:45pm, May 11 (Tue.), 2021 (
*Note that the time is different from usual.*)

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Keisuke Yoshida**(Hokkaido Univ.) - Title: Simplicity of C*-algebras associated to some self-similar groups
- Date/Time: 4:45-6:15pm, May 18 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Rajarama Bhat**(Indian Statistical Institute) - Title: Lattices of logmodular algebras
- Date/Time: 4:45-6:15pm, May 25 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Takuya Takeishi**(Kyoto Institute of Technology) - Title: KMS states of Toeplitz algebras of graphs
- Date/Time: 4:45-6:15pm, June 1 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Hannes Thiel**(TU Dresden) - Title: The generator rank of C*-algebras
- Date/Time: 4:45-6:15pm, June 8 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Yuhei Suzuki**(Hokkaido Univ.) - Title: C
^{*}-simplicity has no local obstruction - Date/Time: 4:45-6:15pm, June 15 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Johannes Christensen**(KU Leuven) - Title: KMS spectra for group actions on compact spaces
- Date/Time: 4:45-6:15pm, June 22 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Rui Okayasu**(Osaka Kyoiku University) - Title: Injective factors with trivial bicentralizer
- Date/Time: 4:45-6:15pm, June 29 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Makoto Yamashita**(Univ. Oslo) - Title: Quantization of locally compact groups from matched pairs
- Date/Time: 4:45-6:15pm, July 13 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Takahiro Hasebe**(Hokkaido Univ.) - Title: Spectra of principal minors of random matrices invariant by unitary conjugacy
- Date/Time: 4:45-6:15pm, July 20 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Eusebio Gardella**(Göteborgs Universitet) - Title: Lifts of completely positive (equivariant) maps
- Date/Time: 4:45-6:15pm, October 12 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Bin Gui**(Tsinghua University) - Title: A modern point of view on Antony Wassermann's paper "Operator Algebras and Conformal Field Theory III"
- Date/Time: 4:45-6:15pm, October 26 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Tadahiro Miyao**(Hokkaido University) - Title: Magnetic properties of ground states in many-electron systems
- Date/Time: 4:45-6:15pm, November 2 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Yoh Tanimoto**(University of Rome, Tor Vergata) - Title: Construction of Haag-Kastler nets for factorizing S-matrices with bound states
- Date/Time: 4:45-6:15pm, November 9 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Michiya Mori**(RIKEN) - Title: On regular *-algebras of bounded linear operators: A new approach towards a theory of noncommutative Boolean algebras
- Date/Time: 4:45-6:15pm, November 16 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Yosuke Kubota**(Shinshu Univ.) - Title: Crystallographic T-duality in twisted equivariant K-theory
- Date/Time: 4:45-6:15pm, November 30 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Junichiro Matsuda**(Kyoto Univ.) - Title: Classification of quantum graphs on M
_{2}and their quantum automorphism groups - Date/Time: 4:45-6:15pm, December 7 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Karen Strung**(Czech Academy of Science) - Title: Constructions in minimal amenable dynamics and applications to classification of C*-algebras
- Date/Time: 4:45-6:15pm, December 14 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Wojciech Dybalski**(Adam Mickiewicz University in Poznań) - Title: Interacting massless infraparticles in 1+1 dimensions
- Date/Time: 4:45-6:15pm, December 21 (Tue.), 2021

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Akihiro Miyagawa**(Kyoto Univ.) - Title: Rationality for operators in free semicircular elements
- Date/Time: 4:45-6:15pm, January 11 (Tue.), 2022

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Miho Mukohara**(Univ. Tokyo) - Title: C*-simplicity of relative profinite completions of generalized Baumslag-Solitar groups
- Date/Time: 4:45-6:15pm, January 18 (Tue.), 2022

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Kei Ito**(Univ. Tokyo) - Title: Cartan subalgebras of C*-algebras associated to dynamical systems
- Date/Time: April 19 (Tue), 2022, 4:45-6:15pm

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Nikhil Srivastava**(UC Berkeley) - Title: Second Eigenvalue Multiplicity of Graphs and Support of Random Loops
- Date/Time: April 26 (Tue), 2022, 3:00-4:30pm
- Room: 110 RIMS, Kyoto University

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Maria Stella Adamo**(Univ. Tokyo) - Title: Reflection positive representations - the case of the integers Z and the real line R
- Date/Time: May 10 (Tue), 2022, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoh Tanimoto**(University of Rome, Tor Vergata) - Title: Towards integral perturbation of two-dimensional CFT
- Date/Time: May 17 (Tue), 2022, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yusuke Isono**(RIMS, Kyoto University) - Title: Pointwise inner automorphisms of almost periodic factors
- Date/Time: May 31 (Tue), 2022, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Taro Sogabe**(Univ. Tokyo) - Title: Kirchberg algebras sharing the same homotopy groups of their automorphism groups
- Date/Time: June 7 (Tue), 2022, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Mizuki Oikawa**(Univ. Tokyo) - Title: Frobenius algebras associated with the $\alpha$-induction for twisted modules of conformal nets
- Date/Time: July 5 (Tue), 2022, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Mao Hoshino**(Univ. Tokyo) - Title: Relative Drinfeld centers associated to monoidal functors
- Date/Time: July 12 (Tue), 2022, 4:45-6:15pm

- Speaker:
- Tokyo-Kyoto Joint Online Operator Algebra Seminar
- Speaker:
**Kan Kitamura**(Univ. Tokyo) - Title: Partial Pontryagin duality for quantum group actions
- Date/Time: July 19 (Tue), 2022, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Robert Coquereaux**(CNRS/CPT) - Title: Honeycombs, polytopes, and representation theory
- Date/Time: September 20 (Tue), 2022, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Takuya Takeishi**(Kyoto Inst. Tech.) - Title: Constructing number field isomorphisms from *-isomorphisms of certain crossed product C*-algebras
- Date/Time: October 11 (Tue), 2022, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Valerio Proietti**(Univ. Tokyo) - Title: A geometric Elliott invariant and noncommutative rigidity of mapping tori
- Date/Time: October 18 (Tue), 2022, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hiroki Ishikura**(Univ. Tokyo) - Title: Permutation stability of finitely generated free metabelian groups
- Date/Time: November 1 (Tue), 2022, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Ryoya Arimoto**(RIMS, Kyoto Univ.) - Title: On the type of the von Neumann algebra of an open subgroup of the Neretin group
- Date/Time: November 8 (Tue), 2022, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Michiya Mori**(Univ. Tokyo) - Title: TRing isomorphisms of locally measurable operator algebras
- Date/Time: November 15 (Tue), 2022, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Ryosuke Sato**(Chuo Univ.) - Title: Multiplicative characters and Gaussian fluctuation limits
- Date/Time: November 22 (Tue), 2022, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yuki Arano**(Kyoto Univ.) - Title: Actions of tensor categories on C*-algebras
- Date/Time: November 29 (Tue), 2022, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Mao Hoshino**(Univ. Tokyo) - Title: Equivariant covering spaces of quantum homogeneous spaces
- Date/Time: December 6 (Tue), 2022, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Feng Xu**(UC Riverside) - Title: Entropy in QFT
- Date/Time: December 13 (Tue), 2022, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yosuke Kubota**(Shinshu Univ.) - Title: Band width and the Rosenberg index
- Date/Time: December 20 (Tue), 2022, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Ricardo Correa da Silva**(Friedrich-Alexander-Universität Erlangen-Nürnberg) - Title: Structure and Inclusions of Twisted Araki-Woods Algebras
- Date/Time: March 8 (Wed), 2023, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Naoki Genra**(Univ. Tokyo) - Title: Representation theory of subregular W-algebras and principal W-superalgebras
- Date/Time: April 18 (Tue), 2023, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Ayoub Hafid**(Univ. Tokyo) - Title: KK-theory, localization algebras, and approximation
- Date/Time: May 2 (Tue), 2023, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoh Tanimoto**(Univ. Rome, Tor Vergata) - Title: Lattice Green functions (after Balaban/Dimock)
- Date/Time: May 9 (Tue), 2023, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Mizuki Oikawa**(Univ. Tokyo) - Title: Group actions on bimodules and equivariant $\alpha$-induction
- Date/Time: May 16 (Tue), 2023, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Hidenori Fukaya**(Osaka Univ.) - Title: Magnetic monopole and domain-wall fermion Dirac operator
- Date/Time: May 23 (Tue), 2023, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Maria Stella Adamo**(Univ. Tokyo) - Title: Wightman fields and their construction for a class of 2D CFTs
- Date/Time: June 6 (Tue), 2023, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Kan Kitamura**(Univ. Tokyo) - Title: Around homogeneous spaces of complex semisimple quantum groups
- Date/Time: June 13 (Tue), 2023, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Roberto Longo**(Univ. Rome, "Tor Vergata") - Title: Operator Algebras and Quantum Field Theory: introductory elements
- Date/Time: July 31 (Mon), 2023, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Alexander Ivanov**(Imperial College London) - Title: The VOA origins of Majorana theory
- Date/Time: October 3 (Tue), 2023, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Fuyuta Komura**(RIKEN) - Title: *-homomorphisms between groupoid C*-algebras
- Date/Time: October 17 (Tue), 2023, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Masato Tanaka**(Nagoya Univ.) - Title: A quantum analogue of the special linear group and its proper cocycle
- Date/Time: November 7 (Tue), 2023, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Michiya Mori**(Univ. Tokyo) - Title: On the Scottish Book Problem 155 by Mazur and Sternbach
- Date/Time: November 14 (Tue), 2023, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Mao Hoshino**(Univ. Tokyo) - Title: Finite index quantum subgroups of DQGs
- Date/Time: November 21 (Tue), 2023, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Miho Mukohara**(Univ. Tokyo) - Title: Inclusions of simple C*-algebras arising from isometrically shift absorbing actions
- Date/Time: January 16 (Tue), 2024, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Yoh Tanimoto**(Univ. Rome, Tor Vergata) - Title: Towards lattice construction of quantum field theories
- Date/Time: April 9 (Tue), 2024, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Jean Roydor**(Sorbonne Université) - Title: Perturbations of von Neumann algebras
- Date/Time: April 16 (Tue), 2024, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Harshit Yadav**(Univ. Alberta) - Title: Non-semisimple modular tensor categories via local modules
- Date/Time: April 30 (Tue), 2024, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Kohki Sakamoto**(Univ. Tokyo) - Title: Dimensions of harmonic measures in percolation clusters on hyperbolic groups
- Date/Time: May 7 (Tue), 2024, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Ziyun Xu**(Univ. Tokyo) - Title: Completely rational conformal nets and modular tensor categories
- Date/Time: May 14 (Tue), 2024, 4:45-6:15pm

- Speaker:
- Operator Algebra Seminar
- Speaker:
**Michiya Mori**(Univ. Tokyo) - Title: Optimal version of the fundamental theorem of chronogeometry
- Date/Time: May 21 (Tue), 2024, 4:45-6:15pm

- Speaker: