Operator Algebra Seminars

Seminar information archive ~06/22Next seminarFuture seminars 06/23~

Date, time & place Wednesday 16:30 - 18:00 122Room #122 (Graduate School of Math. Sci. Bldg.)

Seminar information archive

2024/06/18

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Hiroshi Ando (Chiba Univ.)
Lie theoretic approach to the unitary groups of $C^*$-algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2024/06/11

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Taro Sogabe (Kyoto Univ.)
The ext groups and homotopy groups of the automorphism groups of Cuntz-Krieger algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2024/06/04

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Ryoya Arimoto (RIMS, Kyoto Univ.)
Simplicity of crossed products of the actions of totally disconnected locally compact groups on their boundaries
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2024/05/21

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Michiya Mori (Univ.Tokyo)
Optimal version of the fundamental theorem of chronogeometry
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2024/05/14

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Ziyun Xu (Univ. Tokyo)
Completely rational conformal nets and modular tensor categories
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2024/05/07

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Kohki Sakamoto (Univ. Tokyo)
Harmonic measures in percolation clusters on hyperbolic groups
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2024/04/30

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Harshit Yadav (Univ. Alberta)
Non-semisimple modular tensor categories via local modules
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2024/04/16

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Jean Roydor (Sorbonne Université)
Perturbations of von Neumann algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2024/04/09

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Yoh Tanimoto (Univ Rome, Tor Vergata)
Towards lattice construction of quantum field theories
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2024/01/16

16:45-18:15   Room #128 (Graduate School of Math. Sci. Bldg.)
Miho Mukohara (Univ. Tokyo)
Inclusions of simple C$^*$-algebras arising from isometrically shift absorbing actions
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2023/11/21

16:45-18:15   Room #128 (Graduate School of Math. Sci. Bldg.)
Mao Hoshino (Univ. Tokyo)
Finite index quantum subgroups of DQGs
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2023/11/14

16:45-18:15   Room #128 (Graduate School of Math. Sci. Bldg.)
Michiya Mori (Univ. Tokyo)
On the Scottish Book Problem 155 by Mazur and Sternbach
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2023/11/07

16:45-18:15   Room #128 (Graduate School of Math. Sci. Bldg.)
Masato Tanaka (Nagoya Univ.)
A quantum analogue of the special linear group and its proper cocycle
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2023/10/17

16:45-18:15   Room #128 (Graduate School of Math. Sci. Bldg.)
Fuyuta Komura (RIKEN)
$*$-homomorphisms between groupoid C$^*$-algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2023/10/03

16:45-18:15   Room #128 (Graduate School of Math. Sci. Bldg.)
Alexander Ivanov (Imperial College London)
The VOA origins of Majorana theory
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2023/07/31

16:45-18:15   Room #128 (Graduate School of Math. Sci. Bldg.)
Roberto Longo (Univ. Rome, ”Tor Vergata”)
Operator Algebras and Quantum Field Theory: introductory elements
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2023/06/13

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Kan Kitamura (Univ. Tokyo)
Around homogeneous spaces of complex semisimple quantum groups
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2023/06/06

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Maria Stella Adamo (Univ. Tokyo)
Wightman fields and their construction for a class of 2D CFTs
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2023/05/23

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Hidenori Fukaya (Osaka University)
Magnetic monopole and domain-wall fermion Dirac operator (English)
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2023/05/16

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Mizuki Oikawa (Univ. Tokyo)
Group actions on bimodules and equivariant $\alpha$-induction
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2023/05/09

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Yoh Tanimoto (Univ Rome, Tor Vergata)
Lattice Green functions (after Balaban/Dimock) (English)
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2023/05/02

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Ayoub Hafid (Univ. Tokyo)
KK-theory, localization algebras, and approximation
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2023/05/02

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Ayoub Hafid (Univ. Tokyo)
KK-theory, localization algebras, and approximation
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2023/04/18

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Naoki Genra (Univ. Tokyo)
Representation theory of subregular W-algebras and principal W-superalgebras (English)
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2023/04/18

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Naoki Genra (Univ. Tokyo)
Representation theory of subregular W-algebras and principal W-superalgebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

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