## Operator Algebra Seminars

Seminar information archive ～09/10｜Next seminar｜Future seminars 09/11～

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

### 2019/04/19

13:00-14:30 Room #128 (Graduate School of Math. Sci. Bldg.)

Coarse decomposition of II$_1$ factors (English)

**Sorin Popa**(UCLA/Kyoto University)Coarse decomposition of II$_1$ factors (English)

### 2019/04/17

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

(日本語)

**Takashi Satomi**(Univ. Tokyo)(日本語)

### 2019/01/30

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

### 2018/12/19

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

Polynomial Time Algorithm for Computing N-th Moments of a Self-Adjoint Operator in Algebra Generated by Free Independent Semicircular Elements

**Rei Mizuta**(Univ. Tokyo)Polynomial Time Algorithm for Computing N-th Moments of a Self-Adjoint Operator in Algebra Generated by Free Independent Semicircular Elements

### 2018/12/07

15:00-17:00 Room #002 (Graduate School of Math. Sci. Bldg.)

**Reiji Tomatsu**(Hokkaido Univ.)### 2018/12/06

15:00-17:00 Room #128 (Graduate School of Math. Sci. Bldg.)

**Reiji Tomatsu**(Hokkaido Univ.)### 2018/12/05

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

The Gromov-Hausdorff Propinquity

**Frederic Latremoliere**(Univ. Denver)The Gromov-Hausdorff Propinquity

### 2018/12/05

15:00-17:00 Room #002 (Graduate School of Math. Sci. Bldg.)

**Reiji Tomatsu**(Hokkaido Univ.)### 2018/12/04

15:00-17:00 Room #002 (Graduate School of Math. Sci. Bldg.)

**Reiji Tomatsu**(Hokkaido Univ.)### 2018/12/03

15:00-17:00 Room #002 (Graduate School of Math. Sci. Bldg.)

**Reiji Tomatsu**(Hokkaido Univ.)### 2018/11/28

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

Localization of signature for singular fiber bundles

**Mayuko Yamashita**(Univ. Tokyo)Localization of signature for singular fiber bundles

### 2018/11/21

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

Orbit equivalence classes for free actions of free products of infinite abelian groups

**Takaaki Moriyama**(the University of Tokyo)Orbit equivalence classes for free actions of free products of infinite abelian groups

### 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)