activity
20102026
most citedFactorial Schur functions and the Yang-Baxter equation

35 citations · 51 across the 19 of their papers we have counts for

collaborators

19 papers

math.NT2026

Explicit formula for multi-indexed poly-Bernoulli numbers

Tomoko Kikuchi, Maki Nakasuji

The classical Bernoulli numbers can be expressed using Stirling numbers of the second kind, and M. Kaneko extended this framework by defining poly-Bernoulli numbers ${\mathbb…

math.NT2025

-Kloosterman sum via the Bruhat decomposition

Suzuho Osonoe, Maki Nakasuji

We define the Kloosterman sum for over the Kloosterman set via the Bruhat decomposition and stratify the Kloosterman set using the reduced word decomposition of the Weyl gro…

math.NT2025

New determinant formulas of Giambelli-type for Schur multiple zeta-functions and their applications

Kohji Matsumoto, Maki Nakasuji

In this article, we will prove the Giambelli formula for Schur multiple zeta-functions of extended shape which we call laced type, using the combinatorial method of proving the Gia…

math.NT2025

Schur multiple zeta-functions of Hurwitz type

Kohji Matsumoto, Maki Nakasuji

We study the Hurwitz-type analogue of Schur multiple zeta-functions involving shifting parameters. We extend various formulas, known for ordinary Schur multiple zeta-functions, to…

math.NT2023

Expressions of content-parametrized Schur multiple zeta-functions via the Giambelli formula

Kohji Matsumoto, Maki Nakasuji

In this article, we consider the expressions for content-parametrized Schur multiple zeta-functions in terms of multiple zeta-functions of Euler-Zagier type and their star-variants…

math.NT2022

Multi-indexed poly-Bernoulli numbers

Yuna Baba, Maki Nakasuji, Mika Sakata

As properties of poly-Bernoulli numbers, a number of formulas such as the duality formula, explicit formula using the Stirling numbers of the second kind and periodicity for negati…

math.NT2022

Symmetric Schur multiple zeta functions

Maki Nakasuji, Wataru Takeda

We introduce the multiple zeta functions with structures similar to those of symmetric functions such as Schur -, Schur -, symplectic and orthogonal functions in the represen…

math.NT2022

An interpolation of the generalized duality formula for the Schur multiple zeta values to complex functions

Maki Nakasuji, Yasuo Ohno, Wataru Takeda

One of the important research subjects in the study of multiple zeta functions is to clarify the linear relations and functional equations among them. The Schur multiple zeta funct…

math.NT2022

Shuffle product formula of the Schur multiple zeta values of hook type

Maki Nakasuji, Wataru Takeda

We discuss the shuffle product of the Schur multiple zeta values, which are the special values of Schur multiple zeta functions. We first define -labeled Schur posets to general…

math.NT2021

Duality formula and its generalization for Schur multiple zeta functions

Maki Nakasuji, Yasuo Ohno

In the study on multiple zeta values, the duality formula is one of the families of basic relations and plays an important role in the investigation of algebraic structure of the s…

math.NT2021★ 4 cited

The Pieri formulas for hook type Schur multiple zeta functions

Maki Nakasuji, Wataru Takeda

We study the Pieri type formulas for the Schur multiple zeta functions along with those for the Schur polynomials. To formulate these formulas, we introduce a new insertion rule fo…

math.NT2020★ 1 cited

Expressions of Schur multiple zeta-functions of anti-hook type by zeta-functions of root systems

Kohji Matsumoto, Maki Nakasuji

We investigate relations among Schur multiple zeta functions and zeta-functions of root systems attached to semisimple Lie algebras. Schur multiple zeta functions are defined as su…

math.NT2020★ 1 cited

Parametrization of Kloosterman sets and -Kloosterman sums

Eren Mehmet Kıral, Maki Nakasuji

We stratify the big cell Kloosterman sets using the reduced word decomposition of the Weyl group element, inspired by the Bott-Samelson factorization. Thus the $\ma…

math.NT2018★ 1 cited

Schur type poly-Bernoulli numbers

Naoki Nakamura, Maki Nakasuji

The poly-Bernoulli numbers and its relative are defined by the generating series using the polylogarithm series, and we call them type and , respectively. As a generalizatio…

math.RT2017★ 1 cited

Casselman's basis of Iwahori vectors and Kazhdan-Lusztig polynomials

Daniel Bump, Maki Nakasuji

A problem in representation theory of -adic groups is the computation of the \textit{Casselman basis} of Iwahori fixed vectors in the spherical principal series representations,…

math.NT2017★ 3 cited

On Schur multiple zeta functions: A combinatoric generalization of multiple zeta functions

Maki Nakasuji, Ouamporn Phuksuwan, Yoshinori Yamasaki

We introduce Schur multiple zeta functions which interpolate both the multiple zeta and multiple zeta-star functions of the Euler-Zagier type combinatorially. We first study their…

math.RT2015★ 4 cited

Yang-Baxter basis of Hecke algebra and Casselman's problem (extended abstract)

Maki Nakasuji, Hiroshi Naruse

We generalize the definition of Yang-Baxter basis of type Hecke algebra introduced by A.Lascoux, B.Leclerc and J.Y.Thibon (Letters in Math. Phys., 40 (1997), 75--90) to all the…

math.CO2011★ 35 cited

Factorial Schur functions and the Yang-Baxter equation

Daniel Bump, Peter J. McNamara, Maki Nakasuji

Factorial Schur functions are generalizations of Schur functions that have, in addition to the usual variables, a second family of "shift" parameters. We show that a factorial Schu…

math.RT2010★ 1 cited

Casselman's basis of Iwahori vectors and the Bruhat order

Daniel Bump, Maki Nakasuji

The Casselman basis of Iwahori fixed vectors in a principal series representation of a p-adic group G is dual to the standard intertwining operators. To compute it one must compute…