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)

- 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
- Preprint: (with Yasuhiko Asao, Yu Tajima) Magnitude homology and homotopy type of metric fibrations. arXiv:2409.03278
- Preprint: (with Ryo Uchiumi) The quasi-polynomiality of mod q permutation representation for a linear finite group action on a lattice. arXiv:2409.01084
- Preprint: Topology of hyperplane arrangements via real structure. arXiv:2408.02038
- Preprint: A construction of homotopically non-trivial embedded spheres for hyperplane arrangements. arXiv:2405.20010
- Preprint: q-deformation of Aomoto complex. arXiv:2401.00810
- Records of research activity (including students and postdocs)
- Preprint: (with Emily Roff) The small-scale limit of magnitude and the one-point property arXiv:2312.14497
- Talk: SUZHOU WORKSHOP ON MATROID THEORY (Suzhou, China, July 8-12, 2024)
- Talk: Arrangements, Matroids and Logarithmic Vector Fields (Oberwolfach 16-21 June 2024)
- Running Order Seminar (2023/05/18)

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

- Logarithmic vector fields and freenessA
- 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)

Dept of Math, Graduate School of Science, Osaka University