Operator Algebra Seminars

Seminar information archive ～05/31｜Next seminar｜Future seminars 06/01～

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

Seminar information archive

2021/04/06

16:45-18:15   Online
Frederic Latremoliere (Univ. Denver)
Finite Dimensional Approximations of Spectral Triples on Quantum tori (English)
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2021/02/18

16:45-18:15   Online
Sebastiano Carpi (Univ. Rome, "Tor Vergata")
Conformal nets from positive energy representations of the Zamolodchikov $W_3$ algebra with central charge greater than or equal to two (English)
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2021/01/28

16:45-18:15   Online
James Tener (Australian National Univ.)
Finite-index subfactors and rational conformal field theory (English)
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2021/01/21

16:45-18:15   Online
Kan Kitamura (Univ. Tokyo)
On induction along a homomorphism of compact quantum groups
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2021/01/14

16:45-18:15   Online
Masato Mimura (Tohoku Univ.)
The Green-Tao theorem for number fields
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2021/01/07

16:45-18:15   Online
Colin McSwiggen (Univ. Tokyo)
An extremely close look at the arithmetic-geometric inequality (English)
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2020/12/10

16:45-18:15   Online
Gabor Szabo (KU Leuven)
Towards an equivariant Kirchberg-Phillips theorem (English)
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2020/12/03

16:45-18:15   Online
Benoit Collins (Kyoto Univ.)
Generalized strong asymptotic freeness (English)
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2020/11/19

16:45-18:15   Online
Vincenzo Morinelli (University of Rome, Tor Vergata)
Covariant homogeneous nets of standard subspaces (English)
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2020/11/12

16:45-18:15   Online
Sutanu Roy (NISER)
Contraction and bosonisation (English)
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2020/11/05

16:45-18:15   Online
Zhengwei Liu (Tsinghua University)
Subfactors and Quantum Fourier Analysis (English)
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2020/10/29

15:30-17:00   Online
Yoh Tanimoto (University of Rome, Tor Vergata)
Continuum (free) fields from lattice wavelet renormalization
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2020/10/22

16:45-18:15   Online
Hiroyasu Hamada (National Institute of Technology, Sasebo College)
$C^*$-algebras generated by multiplication operators and composition operators by functions with self-similar branches
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2020/10/15

16:45-18:15   Online
Sven Raum (Stockholm Univ.)
Structure of Hecke von Neumann algebras and applications to representation theory
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2020/10/08

16:45-18:15   Online
Narutaka Ozawa (RIMS, Kyoto Univ.)
An entropic proof of cutoff on Ramanujan graphs
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2020/10/01

16:45-18:15   Online
Norio Nawata (Osaka Univ.)
A characterization of the Razak-Jacelon algebra
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2020/07/16

16:45-18:15   Online
Christian Voigt (Univ. Glasgow)
Complex quantum groups and the Baum-Connes conjecture (English)
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2020/07/09

16:45-18:15   Online
Amine Marrakchi (ENS Lyon)
Affine isometric actions of groups on $L_p$-spaces : dependence on the value of $p$ (English)
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2020/07/02

16:45-18:15   Online
Toshihiko Masuda (Kyushu Univ.)
Outer actions ($\mathcal{G}$-kernels) of discrete amenable groupoids on injective factors (English)
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2020/06/25

16:45-18:15   Online
Remi Boutonnet (Univ. Bordeaux)
Properly proximal groups and their von Neumann algebras (English)
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2020/06/18

16:45-18:15   Online
Yoshimichi Ueda (Nagoya Univ.)
On Arveson's boundary theorem (English)
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2020/06/11

16:45-18:15   Online
Makoto Yamashita (Univ. Oslo)
Homology and K-theory of torsion free ample groupoids and Smale spaces (English)
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2020/06/04

16:45-18:15   Online
Yuhei Suzuki (Hokkaido Univ.)
Equivariant $O_2$-absorption theorem for exact groups

2020/05/28

16:45-18:15   Online
Yosuke Kubota (Shinshu Univ.)
Index theorem of lattice Wilson-Dirac operators and almost-commuting matrices (English)
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm

2020/05/21

16:45-18:15   Online
Takuya Takeishi (Kyoto Institute of Technology)
Partition functions as $C^*$-dynamical invariants and actions of congruence monoids (English)

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