Operator Algebra Seminars
Seminar information archive ~02/15|Next seminar|Future seminars 02/16~
Date, time & place | Wednesday 16:30 - 18:00 122Room #122 (Graduate School of Math. Sci. Bldg.) |
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Seminar information archive
2017/04/24
16:45-18:15 Room #118 (Graduate School of Math. Sci. Bldg.)
Kei Hasegawa (Kyushu Univ.)
Bass-Serre trees of amalgamated free product $C^*$-algebras (English)
Kei Hasegawa (Kyushu Univ.)
Bass-Serre trees of amalgamated free product $C^*$-algebras (English)
2017/04/17
16:45-18:15 Room #118 (Graduate School of Math. Sci. Bldg.)
Yoshikata Kida (Univ. Tokyo)
On diagonal actions whose full group is closed (English)
Yoshikata Kida (Univ. Tokyo)
On diagonal actions whose full group is closed (English)
2017/04/10
16:45-18:15 Room #118 (Graduate School of Math. Sci. Bldg.)
Yosuke Kubota (Riken)
Reconstruction of the Bost-Connes groupoid from K-theoretic data (English)
Yosuke Kubota (Riken)
Reconstruction of the Bost-Connes groupoid from K-theoretic data (English)
2016/12/12
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
Tatsuki Seto (Nagoya Univ.)
The Roe cocycle and an index theorem on partitioned manifolds, and toward generalizations
(Japanese)
Tatsuki Seto (Nagoya Univ.)
The Roe cocycle and an index theorem on partitioned manifolds, and toward generalizations
(Japanese)
2016/12/05
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
Shuhei Masumoto (Univ.Tokyo)
On a generalized Fraïssé limit construction (English)
Shuhei Masumoto (Univ.Tokyo)
On a generalized Fraïssé limit construction (English)
2016/11/28
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
Takahiro Hasebe (Hokkaido University)
Fock space deformed by Coxeter groups (English)
Takahiro Hasebe (Hokkaido University)
Fock space deformed by Coxeter groups (English)
2016/11/21
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
Narutaka Ozawa (RIMS, Kyoto Univ.)
Finite-dimensional representations constructed from random walks (joint work with A. Erschler)
Narutaka Ozawa (RIMS, Kyoto Univ.)
Finite-dimensional representations constructed from random walks (joint work with A. Erschler)
2016/10/31
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
Sergey Neshveyev (Univ. Oslo)
Dual cocycles and equivariant deformation quantization (English)
Sergey Neshveyev (Univ. Oslo)
Dual cocycles and equivariant deformation quantization (English)
2016/10/24
16:45-18:15 Room #117 (Graduate School of Math. Sci. Bldg.)
Yusuke Isono (RIMS, Kyoto Univ.)
Cartan subalgebras of tensor products of free quantum group factors with arbitrary factors
Yusuke Isono (RIMS, Kyoto Univ.)
Cartan subalgebras of tensor products of free quantum group factors with arbitrary factors
2016/10/17
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
Hiroshi Ando (Chiba Univ.)
Unitarizability, Maurey-Nikishin factorization and Polish groups of finite type (English)
Hiroshi Ando (Chiba Univ.)
Unitarizability, Maurey-Nikishin factorization and Polish groups of finite type (English)
2016/10/03
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
Yuki Arano (Univ. Tokyo)
$C^*$-tensor categories and subfactors for totally disconnected groups
(English)
Yuki Arano (Univ. Tokyo)
$C^*$-tensor categories and subfactors for totally disconnected groups
(English)
2016/09/26
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
Sorin Popa (UCLA)
TBA
(English)
Sorin Popa (UCLA)
TBA
(English)
2016/07/22
16:45-18:15 Room #118 (Graduate School of Math. Sci. Bldg.)
N. Christopher Phillips (Univ. Oregon)
Radius of comparison for $C^*$ crossed products by free minimal actions of amenable groups
N. Christopher Phillips (Univ. Oregon)
Radius of comparison for $C^*$ crossed products by free minimal actions of amenable groups
2016/07/11
16:45-18:15 Room #118 (Graduate School of Math. Sci. Bldg.)
Shuhei Masumoto (Univ. Tokyo)
Fraïssé Theory and Jiang-Su algebra
Shuhei Masumoto (Univ. Tokyo)
Fraïssé Theory and Jiang-Su algebra
2016/06/20
16:45-18:15 Room #118 (Graduate School of Math. Sci. Bldg.)
Yusuke Isono (RIMS, Kyoto Univ.)
Bi-exact groups, strongly ergodic actions and group measure space type III factors with no central sequence
Yusuke Isono (RIMS, Kyoto Univ.)
Bi-exact groups, strongly ergodic actions and group measure space type III factors with no central sequence
2016/06/13
16:45-18:15 Room #118 (Graduate School of Math. Sci. Bldg.)
Liang Kong (Univ. New Hampshire/Harvard Univ.)
Lattices models for topological orders and boundary-bulk duality
Liang Kong (Univ. New Hampshire/Harvard Univ.)
Lattices models for topological orders and boundary-bulk duality
2016/06/06
16:45-18:15 Room #118 (Graduate School of Math. Sci. Bldg.)
Yuhei Suzuki (Chiba Univ.)
Minimal ambient nuclear $C^*$-algebras
Yuhei Suzuki (Chiba Univ.)
Minimal ambient nuclear $C^*$-algebras
2016/05/30
16:45-18:15 Room #118 (Graduate School of Math. Sci. Bldg.)
Yosuke Kubota (Univ. Tokyo)
TBA
Yosuke Kubota (Univ. Tokyo)
TBA
2016/05/09
16:45-18:15 Room #118 (Graduate School of Math. Sci. Bldg.)
Mikael Pichot (McGill Univ./Univ.Tokyo)
Surgery theory and discrete groups (English)
Mikael Pichot (McGill Univ./Univ.Tokyo)
Surgery theory and discrete groups (English)
2016/04/25
16:45-18:15 Room #118 (Graduate School of Math. Sci. Bldg.)
Makoto Yamashita (Ochanomizu Univ.)
Graded twisting of quantum groups, actions, and categories
Makoto Yamashita (Ochanomizu Univ.)
Graded twisting of quantum groups, actions, and categories
2016/04/18
16:45-18:15 Room #118 (Graduate School of Math. Sci. Bldg.)
Juan Orendain (UNAM/Univ. Tokyo)
On the functoriality of Haagerup's $L^2$-space construction: Verticalizing decorated 2-categories
Juan Orendain (UNAM/Univ. Tokyo)
On the functoriality of Haagerup's $L^2$-space construction: Verticalizing decorated 2-categories
2016/04/11
16:45-18:15 Room #118 (Graduate School of Math. Sci. Bldg.)
Ryszard Nest (Univ. Copenhagen)
On analytic construction of the group three-cocycles (English)
Ryszard Nest (Univ. Copenhagen)
On analytic construction of the group three-cocycles (English)
2016/03/11
16:45-18:15 Room #118 (Graduate School of Math. Sci. Bldg.)
Bas Jordans (Univ. Oslo)
Convergence to the boundary for random walks on discrete quantum groups
(English)
Bas Jordans (Univ. Oslo)
Convergence to the boundary for random walks on discrete quantum groups
(English)
2016/03/08
16:45-18:15 Room #118 (Graduate School of Math. Sci. Bldg.)
Roberto Longo (Univ. Rome "Tor Vergata")
Equilibrium and non-equilibrium states in Conformal Field Theory (英語)
Roberto Longo (Univ. Rome "Tor Vergata")
Equilibrium and non-equilibrium states in Conformal Field Theory (英語)
2016/01/22
15:00-17:00 Room #118 (Graduate School of Math. Sci. Bldg.)
Reiji Tomatsu (Hokkaido Univ.)
Introduction to $C^*$-tensor categories
Reiji Tomatsu (Hokkaido Univ.)
Introduction to $C^*$-tensor categories