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Operator Algebra Seminars
Seminar information archive ～05/15｜Next seminar｜Future seminars 05/16～
| Date, time & place | Wednesday 16:30 - 18:00 122Room #122 (Graduate School of Math. Sci. Bldg.) |
|---|
Seminar information archive
2025/05/13
16:45-18:15 Room #117 (Graduate School of Math. Sci. Bldg.)
Ikhan Choi (the University of Tokyo)
Haagerup's problems on normal weights
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Ikhan Choi (the University of Tokyo)
Haagerup's problems on normal weights
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2025/04/08
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
Masahito Hayashi (The Chinese University of Hong Kong, Shenzhen/Nagoya University)
Indefinite causal order strategy nor adaptive strategy does not improve the estimation of group action
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Masahito Hayashi (The Chinese University of Hong Kong, Shenzhen/Nagoya University)
Indefinite causal order strategy nor adaptive strategy does not improve the estimation of group action
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2025/03/17
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
The day of the week and the room are different from the usual ones.
Ingo Runkel (Univ. Hamburg)
Lattice models and topological symmetries from 2d conformal field theory
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
The day of the week and the room are different from the usual ones.
Ingo Runkel (Univ. Hamburg)
Lattice models and topological symmetries from 2d conformal field theory
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2025/02/21
13:30-15:00 Room #002 (Graduate School of Math. Sci. Bldg.)
The day of the week, the time slot and the room are different from the usual ones.
David O'Connell (OIST)
Colimits of $C^*$-algebras in Quantum Field Theory
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
The day of the week, the time slot and the room are different from the usual ones.
David O'Connell (OIST)
Colimits of $C^*$-algebras in Quantum Field Theory
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2025/02/20
16:45-18:15 Room #122 (Graduate School of Math. Sci. Bldg.)
The day of the week is different from the usual one.
Christoph Schweigert (Univ. Hamburg)
Nakayama functors, relative Serre functors and some applications
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
The day of the week is different from the usual one.
Christoph Schweigert (Univ. Hamburg)
Nakayama functors, relative Serre functors and some applications
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/12/17
16:45-18:15 Room #002 (Graduate School of Math. Sci. Bldg.)
Makoto Yamashita (Univ. Oslo)
Bimodule approach to quantum field theory and categorical structures
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Makoto Yamashita (Univ. Oslo)
Bimodule approach to quantum field theory and categorical structures
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/12/10
15:00-16:30 Room #002 (Graduate School of Math. Sci. Bldg.)
Yoh Tanimoto (Univ. Rome, "Tor Vergata")
Introduction to Lean theorem prover
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Yoh Tanimoto (Univ. Rome, "Tor Vergata")
Introduction to Lean theorem prover
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/12/10
16:45-18:15 Room #002 (Graduate School of Math. Sci. Bldg.)
Maria Stella Adamo (FAU Erlangen-Nürnberg)
Osterwalder-Schrader axioms for unitary full VOAs
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Maria Stella Adamo (FAU Erlangen-Nürnberg)
Osterwalder-Schrader axioms for unitary full VOAs
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/12/03
16:45-18:15 Room #122 (Graduate School of Math. Sci. Bldg.)
Valerio Proietti (Univ. Oslo)
The rational K-theory of ample groupoids
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Valerio Proietti (Univ. Oslo)
The rational K-theory of ample groupoids
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/11/19
16:45-18:15 Room #122 (Graduate School of Math. Sci. Bldg.)
Ryosuke Sato (Chuo Univ.)
The quantum de Finetti theorem and operator-valued Martin boundaries
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Ryosuke Sato (Chuo Univ.)
The quantum de Finetti theorem and operator-valued Martin boundaries
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/11/19
15:00-16:30 Room #122 (Graduate School of Math. Sci. Bldg.)
Roozbeh Hazrat (Western Sydney University)
Monoids, Dynamics and Leavitt path algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Roozbeh Hazrat (Western Sydney University)
Monoids, Dynamics and Leavitt path algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/11/06
15:00-16:30 Room #126 (Graduate School of Math. Sci. Bldg.)
The day of a week, the time and the room are all different from the usual ones.
Colin McSwiggen (Academia Sinica)
The limiting Horn inequalities in infinite dimensions
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
The day of a week, the time and the room are all different from the usual ones.
Colin McSwiggen (Academia Sinica)
The limiting Horn inequalities in infinite dimensions
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/10/29
16:45-18:15 Room #122 (Graduate School of Math. Sci. Bldg.)
Ayumi Ukai (Nagoya Univ.)
On Hastings factorization for quantum many-body systems
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Ayumi Ukai (Nagoya Univ.)
On Hastings factorization for quantum many-body systems
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/10/22
16:45-18:15 Room #122 (Graduate School of Math. Sci. Bldg.)
Kei Ito (Univ. Tokyo)
Diagonals of $C^*$-algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Kei Ito (Univ. Tokyo)
Diagonals of $C^*$-algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/10/08
16:45-18:15 Room #122 (Graduate School of Math. Sci. Bldg.)
Fuyuta Komura (RIKEN)
Weyl groups of groupoid $C^*$-algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Fuyuta Komura (RIKEN)
Weyl groups of groupoid $C^*$-algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/07/09
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
Kan Kitamura (RIKEN)
Actions of tensor categories on Kirchberg algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Kan Kitamura (RIKEN)
Actions of tensor categories on Kirchberg algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/06/25
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
Mao Hoshino (Univ. Tokyo)
Polynomial family of quantum flag manifolds via deformed QEA
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Mao Hoshino (Univ. Tokyo)
Polynomial family of quantum flag manifolds via deformed QEA
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/06/18
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
Hiroshi Ando (Chiba Univ.)
Lie theoretic approach to the unitary groups of $C^*$-algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Hiroshi Ando (Chiba Univ.)
Lie theoretic approach to the unitary groups of $C^*$-algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/06/11
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
Taro Sogabe (Kyoto Univ.)
The ext groups and homotopy groups of the automorphism groups of Cuntz-Krieger algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Taro Sogabe (Kyoto Univ.)
The ext groups and homotopy groups of the automorphism groups of Cuntz-Krieger algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/06/04
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
Ryoya Arimoto (RIMS, Kyoto Univ.)
Simplicity of crossed products of the actions of totally disconnected locally compact groups on their boundaries
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Ryoya Arimoto (RIMS, Kyoto Univ.)
Simplicity of crossed products of the actions of totally disconnected locally compact groups on their boundaries
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/05/21
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
Michiya Mori (Univ．Tokyo)
Optimal version of the fundamental theorem of chronogeometry
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Michiya Mori (Univ．Tokyo)
Optimal version of the fundamental theorem of chronogeometry
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/05/14
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
Ziyun Xu (Univ. Tokyo)
Completely rational conformal nets and modular tensor categories
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Ziyun Xu (Univ. Tokyo)
Completely rational conformal nets and modular tensor categories
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/05/07
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
Kohki Sakamoto (Univ. Tokyo)
Harmonic measures in percolation clusters on hyperbolic groups
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Kohki Sakamoto (Univ. Tokyo)
Harmonic measures in percolation clusters on hyperbolic groups
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/04/30
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
Harshit Yadav (Univ. Alberta)
Non-semisimple modular tensor categories via local modules
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Harshit Yadav (Univ. Alberta)
Non-semisimple modular tensor categories via local modules
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
2024/04/16
16:45-18:15 Room #126 (Graduate School of Math. Sci. Bldg.)
Jean Roydor (Sorbonne Université)
Perturbations of von Neumann algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
Jean Roydor (Sorbonne Université)
Perturbations of von Neumann algebras
[ Reference URL ]
https://www.ms.u-tokyo.ac.jp/~yasuyuki/tokyo-seminar.htm
