Hiroki Ishikura 石倉宙樹
I am a postdoctoral researcher at Research Institute for Mathematical Sciences, Kyoto University, Japan.
I received my PhD in 2026 at the University of Tokyo under the supervision of Yoshikata Kida.
Email: ishikura [at] kurims.kyoto-u.ac.jp
Research interest: measured group theory, geometric group theory and Borel combinatorics
Here is my CV.
Talks
Stallings-Swan's theorem for Borel graphs, TMU geometry seminar, Tokyo Metropolitan University, 19 Dec. 2025
Stallings-Swan's theorem for Borel graphs, Differential Topology Seminar, Kyoto University, 16 Dec. 2025
Unimodular random graphs and soficity, 9th workshop on geometric group theory, Kagoshima University, 4 Dec. 2025
Stallings-Swan's theorem for Borel graphs, Descriptive Dynamics and Combinatorics Seminar, McGill University, 21/22 Oct. 2025
Stallings-Swan's theorem for Borel graphs, MSJ Autumn Meeting, Nagoya University, 18 Sep. 2025
Stallings-Swan's theorem for Borel graphs, Tuesday Seminar on Topology, the University of Tokyo, 8 Jul. 2025
Tree decomposition of Borel graphs and a Stallings-Swan theorem, Workshop on Operator Theory and Operator Algebras, Nagoya University, 23 Nov. 2024
Permutation stability of free metabelian groups, Stability learning group (online), Tel Aviv University, 25 Jul. 2024
Permutation stability of free metabelian groups, Recent Developments in Operator Algebras, Kyoto University, 11 Sep. 2023
Permutation stability of free metabelian groups, Topological Studies around Riemann Surfaces, the University of Tokyo, 22 Aug. 2023
Permutation stability of free metabelian groups, New Aspects of Teichmüller theory, the University of Tokyo, 14 Jul. 2023
Permutation stability and invariant random subgroups, Kyoto Operator Algebra Seminar, Kyoto University, 16 May 2023
Permutation stability of finitely generated free metabelian groups, Operator Algebra Seminars, the University of Tokyo, 1 Nov. 2022