Masahiko Yoshinaga

• Preprint: (with Yongqiang Liu) Maximal Betti number for local system cohomology of hyperplane arrangement complements. arXiv:2503.23976
• Workshop: Algebraic Geometry, Topology, Combinatorics and Related Topics 2026 (AGTC2026) (March 2026?)
• Workshop: Arrangements in Osaka (Dec. 2025?)
• 勉強会：第1回組合せ論的ホッジ理論勉強会（？） (Sep. 2025?)
• Workshop: One-day Workshop Artin group and related topics (17 May 2025, Kyoto U.)
• Workshop: Arrangement Days in Osaka (24-26 March 2025, Osaka U.)
• Preprint: (with Hirokazu Katsumasa, Emily Roff) Is magnitude 'generically continuous' for finite metric spaces? arXiv:2501.08745
• Workshop: AGTC 2025 (Tokushima) (Tokushima U, 6-8 March 2025)
• Workshop: Magnitude 2024 (Fukuoka) (Fukuoka, 8-9 January 2025)
• Preprint: (with Tongyu Nian, Shuhei Tsujie, Ryo Uchiumi) $q$-deformation of chromatic polynomials and graphical arrangements. arXiv:2412.08290
• Talk: Towards a Kontsevich-Zagier type conjecture for holonomic series. Algebraicity and Transcendence for Singular Differential Equations Erwin Schrodinger Institute Vienna October 7-19, 2024
• Running Order Seminar (2023/05/18)

• Logarithmic vector fields and freeness、
• Topology of hyperplane arrangements.
• Lattice points countings.
• Matroids and Tutte polynomials.
• Categorification of enumerative problems, magnitude homology of metric spaces

• cv
• Research Activity, Papers
• Talks (Not updated)
• Articles in Japanese (Japanese)
• Lectures (Japanese)