Masahiko Yoshinaga

Japanese (日本語),

Department of Mathematics,
Graduate School of Science,
Osaka University,
Toyonaka, Osaka 560-0043, JAPAN

Photo

email: yoshinaga [at] math.sci.osaka-u.ac.jp
(or: mh.yoshinaga [at] gmail.com)

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)

I am working in the following topics. (See Research Activity for details.)

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

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

Dept of Math, Graduate School of Science, Osaka University