## Operator Algebra Seminars

Seminar information archive ～12/01｜Next seminar｜Future seminars 12/02～

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

### 2018/10/31

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

Strong Tools in Free Probability Theory

**Tomohiro Hayase**(the University of Tokyo)Strong Tools in Free Probability Theory

### 2018/10/24

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

The Mazur-Ulam property for unital C*-algebras (English)

**Michiya Mori**(the University of Tokyo)The Mazur-Ulam property for unital C*-algebras (English)

### 2018/10/10

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

Extension modules over some conformal algebras related Virasoro algebra (English)

**Kaijing Ling**(Harbin Institute of Technology/Univ. Tokyo)Extension modules over some conformal algebras related Virasoro algebra (English)

### 2018/10/03

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

Structure of bicentralizer algebras and inclusions of type III factors

**Hiroshi Ando**(Chiba University)Structure of bicentralizer algebras and inclusions of type III factors

### 2018/08/24

16:45-18:15 Room #002 (Graduate School of Math. Sci. Bldg.)

Limit profile for the card shuffle by random transpositions

**Lucas Teyssier**(Ecole Normale Superieure)Limit profile for the card shuffle by random transpositions

### 2018/08/08

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

$E_0$-semigroups on factors

**Srinivasan Raman**(Chennai Mathematical Institute)$E_0$-semigroups on factors

### 2018/07/11

17:15-18:45 Room #126 (Graduate School of Math. Sci. Bldg.)

Recent progress in the classification of amenable C*-algebras (cont'd)

**George Elliott**(Univ. Toronto)Recent progress in the classification of amenable C*-algebras (cont'd)

### 2018/06/27

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

TBA

**Seung-Hyeok Kye**(Seoul National Univ.)TBA

### 2018/06/18

16:45-18:15 Room #122 (Graduate School of Math. Sci. Bldg.)

Equivariant index theorem (English)

**Ryszard Nest**(Copenhagen Univ.)Equivariant index theorem (English)

### 2018/06/13

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

Poisson boundary for the discrete affine group (English)

**Ryokichi Tanaka**(Tohoku Univ.)Poisson boundary for the discrete affine group (English)

### 2018/05/09

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

Factoriality, Connes' invariants and fullness of amalgamated free products (English)

**Yusuke Isono**(RIMS, Kyoto Univ.)Factoriality, Connes' invariants and fullness of amalgamated free products (English)

### 2018/05/02

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

Classification of Rokhlin flows (English)

**Gabor Szabo**(Copenhagen Univ.)Classification of Rokhlin flows (English)

### 2018/04/18

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

(Japanese)

**Doman Takata**(Univ. Tokyo)(Japanese)

### 2018/02/14

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

Index theory on the Mishchenko bundle (English)

**Valerio Proietti**(Copenhagen Univ.)Index theory on the Mishchenko bundle (English)

### 2018/01/29

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

Tingley's problem for operator algebras

**Michiya Mori**(Univ. Tokyo)Tingley's problem for operator algebras

### 2018/01/22

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

On Cauchy noise loss in a stochastic parameter optimization of random matrices

**Tomohiro Hayase**(Univ. Tokyo)On Cauchy noise loss in a stochastic parameter optimization of random matrices

### 2017/12/25

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

Kazhdan's property (T) and semidefinite programming

**Narutaka Ozawa**(RIMS, Kyoto University)Kazhdan's property (T) and semidefinite programming

### 2017/12/18

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

Isomorphism and Morita equivalence classes for crossed product of irrational rotation algebras by cyclic subgroups of $SL_2({\mathbb Z})$ (English)

**Zhuofeng He**(Univ. Tokyo)Isomorphism and Morita equivalence classes for crossed product of irrational rotation algebras by cyclic subgroups of $SL_2({\mathbb Z})$ (English)

### 2017/12/04

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

Subfactors and wiretapping channels

(English)

**Pieter Naaijkens**(UC Davis)Subfactors and wiretapping channels

(English)

### 2017/11/13

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

Globularily generated double categories: On the problem of existence of internalizations for decorated bicategories (English)

**Juan Orendain**(UNAM)Globularily generated double categories: On the problem of existence of internalizations for decorated bicategories (English)

### 2017/10/30

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

The bicategory of $W^*$-bimodules

**Yusuke Sawada**(Nagoya Univ.)The bicategory of $W^*$-bimodules

### 2017/10/02

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

Introduction to intermediate rank geometry (English)

**Mikael Pichot**(RIMS, Kyoto Univ./McGill Univ.)Introduction to intermediate rank geometry (English)

### 2017/07/28

16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)

Free orthogonal groups and quantum information

(English)

**Benoit Collins**(Kyoto Univ.)Free orthogonal groups and quantum information

(English)

### 2017/07/10

16:45-18:15 Room #118 (Graduate School of Math. Sci. Bldg.)

Rokhlin actions of fusion categories

**Yuki Arano**(Kyoto Univ.)Rokhlin actions of fusion categories

### 2017/07/03

16:45-18:15 Room #118 (Graduate School of Math. Sci. Bldg.)

A State-Dependent Noncontextuality Inequality in Algebraic Quantum Theory

**Yuichiro Kitajima**(Nihon University)A State-Dependent Noncontextuality Inequality in Algebraic Quantum Theory