Relations between Group Actions and Mathematical Physics in Operator Algebras
RIMS, Kyoto University

January 23-25, 2023

Monday, January 23
10:00-10:45 Takuya Takeishi Rigidity theorems of certain classes of C.-algebras from number theory I
11:00-11:45 Mayuko Yamashita QFTs and algebraic topology I
14:00-14:45 Narutaka Ozawa Kazhdan's property (T) for Aut(Fn) and ELn(R)
15:00-15:45 Yusuke Isono Pointwise inner automorphisms of almost periodic factors
16:00-16:45 Tsuyoshi Kajiwara Self-similar sets with branched points and C*-algebras
Tuesday, January 24
10:00-10:45 Takuya Takeishi Rigidity theorems of certain classes of C.-algebras from number theory II
11:00-11:45 Mayuko Yamashita QFTs and algebraic topology II
14:00-14:45 Reiji Tomatsu Survey on a group/tensor category action on a von Neumann algebra I
15:00-15:45 Toshihiko Masuda Actions of discrete amenable groups into the normalizers of full groups of ergodic transformations
16:00-16:45 Yasuyuki Kawahigashi α-induction for bi-unitary connections
Wednesday, January 25
10:00-10:45 Reiji Tomatsu Survey on a group/tensor category action on a von Neumann algebra II
11:00-11:45 Takuya Takeishi Rigidity theorems of certain classes of C.-algebras from number theory III
13:00-13:45 Mayuko Yamashita QFTs and algebraic topology III
14:00-14:45 Masaki Izumi G-kernels of C*-algebras