Operator Algebra Seminars

Seminar information archive ～05/21｜Next seminar｜Future seminars 05/22～

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

Future seminars

2026/05/26

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Takumi Nishihara (RIMS, Kyoto Univ.)
Compact group actions and $G$-kernels on von Neumann algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar-e.htm

2026/06/02

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Yusuke Nishinaka (Osaka Metropolitan Univ.)
Costello-Gwilliam factorization algebras and vertex algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2026/06/09

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Taisuke Hoshino (Univ. Tokyo)
Rigidity for graph-wreath product II$_1$ factors
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2026/06/16

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Hiroki Ishikura (RIMS, Kyoto Univ.)
Borel planar complexes and soficity
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2026/06/23

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Ravi Mistry (the University of Tokyo)
TBA
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2026/07/07

16:45-18:15   Room #126 (Graduate School of Math. Sci. Bldg.)
Nanami Hashimoto (Keio University)
Equivalence of categories of KK-theory or E-theory for $C^*$-algebras over topological spaces by reflection functors
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm