2026 conferences plan (a poster session or talk or just as audience)

• March 1-4, Multiple zeta values and L functions, Sophia University, Tokyo.

• March 9-11, Algebraic Geometry, Topology and Combinatorics 2026, Osaka University.

• March 16-18, Discrete Math and Algorithms 2026, Matsue, Japan.

• March 22, Waseda Workshop on Discrete Mathematics and Related Topics 2026,  Waseda University.

• March 23-26, Japanese Math. Soc., Tokyo science University. 

• May 14-18, ALTReT, Ikaho Sanyo Hotel, Gumma.

• June 1-4, Interactions of representation theory and related areas (as an organizer), Kyoto RIMS. website

• Middle July, FPSAC 2026 (Seattle, USA).

• Late October, Combinatorics and representation theory, Kyoto RIMS.

• Mid Nov, visit Vietnam Institute for Advanced Study in Mathematics.

********************************************************************

Kanagawa University, Yokohama in Japan, instructor.

(+International Christian Univ., Hitotsubashi Univ., Chiba Institute of Technology, through 2025 academic year)

masato at gmail.com

ph. D (mathematics)

the University of Tennessee, 2010

Under supervision of Shashikant B. Mulay

 

Research interest:

Algebraic Combinatorics, Number Theory 

2010-2019:

Alternating sign matrices, Coxeter groups, 

Kazhdan-Lusztig polynomials, 

2019-2024:

Modular forms, Eisenstein series,

Riemann/multiple zeta functions,

2024-:

Kashiwara's Crystal theory, Young tableaux.

King tableaux, semistandard oscillating tableaux, 

Gessel's quasi-symmetric functions,

quasi-crystal/crystal skeleton.

fake degree polynomial, Frobenius character, 

Coinvariant algebra, Schubert polynomials.

​​​​

*I found type C RSK with Berele insertion.

Joint work with Professor Tomoo Matsumura

(International Christian University).

Google Scholar

ORCID 0000-0002-0542-7906 

​​​

Reviewer

• Discrete Math

• Electronic Journal of Combinatorics 

• Order

• SIGMA

• Journal of Analysis

• Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A. Matemáticas