Research Talks (Recent)

Schedule

• Internal blurred magnitude homology: its stability and application, Magnitude 2025, Osaka University, Japan, December, 2025.

• TBA, MathCCS Seminor, Tohoku University, February 17, 2026.

• Causal analysis and magnitude homology, DIL & TFC Symposium, Tohoku University, February 18-20, 2026.

• TBA, Teichmüller Theory and Beyond, University of Science and Technology of China, China, April 4-10, 2026.

(Underline indicates an invited talk and * indicate a talk given in English.)

2025

44. Fenchel--Nielsen twist for cluster algebras, Topological Studies around Riemann Surfaces, the University of Tokyo, Japan, September, 2025. [note]

43. Causal analysis and magnitude homology, JSIAM 2025 Annual Meeting, Tokyo University of Science, Japan, September, 2025

42. Fenchel--Nielsen twist for cluster algebras, Tohoku Complex Analysis Seminar, Tohoku University, Japan, April 30, 2025.

2024

41*. Earthquake deformation for cluster algebras, Teichmüller Theory and Flat Structures, MATRIX, Australia, Mar 21, 2025.

40*. Pseudo-Anosov mapping classes are sign-stable, Beijing Normal University, China, February 26, 2025.

39*. Algebraic and categorical entropies of sign-stable mutation loops, Beijing Normal University, China, February 26, 2025.

38. Causal analysis via magnitude homology, Topological Data Analysis and Representation Theory 2025, Kobe University, February 13th, 2025 [slides].

37. Derived Hall algebras of Calabi--Yau algebras associated with decorated marked surfaces, Skein algebras and related topics, Osaka Metropolitan University, October 26th, 2024.

36*. Unbounded sl(3)-laminations, Autumn School on Low-dimensional Topology and Related Topics, Institute for Basic Science, Korea, September 30th, 2024.

35. Entropy of cluster DT transformations and the finite-tame-wild trichotomy for acyclic quivers, MSJ Autumn Meeting 2024, Osaka University, September 4th, 2024 [abstract(Japanese), slides].

34. Reductions for mutation loops, Integrable Systems and Cluster Algebras, Osaka Metropolitan University, September 1st, 2024.

33*. Entropy of cluster DT transformations and the finite-tame-wild trichotomy for acyclic quivers, Shanghai Jiao Tong University, ICRA 21, August 8th, 2024 [slide].

32. Train track combinatorics and cluster algebras, 阪大トポロジーセミナー, Osaka University, June 12th, 2024.

31. Entropy of cluster DT transformations and the finite-tame-wild trichotomy for acyclic quivers, Algebraic Lie Theory and Representation Theory 2024, Kumamoto, May 19th, 2024.

2023

30*. Train track combinatorics and cluster algebras, The 19th East Asian Conference on Geometric Topology, Kyoto University, February 20th, 2024. [slide]

29. Entropy of cluster DT transformations and the finite-tame-wild trichotomy for acyclic quivers, 阪大代数幾何学セミナー ,  January 21st, 2024, Osaka University.

28. Train track combinatorics and cluster algebras, Tuesday Seminar on Topology, The University of Tokyo, October 17th, 2023, online. [slide]

27. Train track combinatorics and cluster algebras, MSJ Autumn Meeting 2023, Tohoku University, September 29th, 2023, [abstract (Japanese)].

26. Train track combinatorics and cluster algebras, extended KOOK seminar, August 29th, 2023, Osaka Metropolitan University, online. [slide]

25. Categorical dynamical systems arising from pseudo-Anosov mapping classes of marked surfaces, Workshop on Floer theory, categorical dynamics and related topics, July 19th, 2023, Nagoya University.

24*. Categorical dynamical systems arising from sign-stable mutation loops, Online Seminar on Algebraic and Complex Dynamics, 25 April 25th, 2023, online. [notes]