2026/04 ~ 2027/03
2026/04 ~ 2027/03
2026/04/13 ~ 2026/04/15 : Arrangement Workshop in Sapporo 2026 (北海道大学) .
【講演】ルート系の同変版特性準多項式．
2026/05/08 : arXiv: 2605.05677.
Root systems constructed by folding of the extended Dynkin diagrams.
2026/05/08 : arXiv: 2605.05695.
Equivariant version of the characteristic quasi-polynomials of root systems.
2026/05/31 ~ 2026/06/06 : Algebraic and Geometric Aspects of the Theory of Hyperplane Arrangements (Kraków) .
【講演】Equivariant version of characteristic quasi-polynomials and root systems．
2026/08/17 ~ 2026/08/19 : JCCA-DMIA-2026 (金沢) .
【講演】ルート系における同変版特性準多項式．
2026/09/01 ~ 2026/09/04 : 日本数学会 2026年度秋季総合分科会 (神戸大学) .
【講演】ルート系における同変版特性準多項式．
2026/09/11 : Paper with Tongyu Nian, Shuhei Tsujie and Masahiko Yoshinaga is published in The Electronic Journal of Combinatorics.
q-deformation of chromatic polynomials and graphical arrangements.
2026/09/14 ~ 2026/09/18 : 第58回環論および表現論シンポジウム (大阪公立大学) .
新幹線乗車回数：1+
航空機搭乗回数：12+
海外渡航：Finland [Helsinki (transfer, 1 day)]，Poland [Krakow (1 week)]