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The problem of computing products of Schubert classes in the cohomology ring can be formulated as the problem of expanding skew Schur polynomials into the basis of ordinary Schur polynomials. In contrast, the problem of computing the…

组合数学 · 数学 2016-06-30 Huilan Li , Jennifer Morse , Patrick Shields

We show that the factorial flagged Grothendieck polynomials defined by flagged set-valued tableaux of Knutson-Miller-Yong can be expressed by a Jacobi-Trudi type determinant formula, generalizing the work of Hudson-Matsumura. In particular,…

组合数学 · 数学 2019-03-07 Tomoo Matsumura , Shogo Sugimoto

In 2007 Lam and Pylyavskyy found a combinatorial formula for the dual stable Grothendieck polynomials, which are the dual basis of the stable Grothendieck polynomials with respect to the Hall inner product. In 2016 Galashin, Grinberg, and…

组合数学 · 数学 2021-01-28 Jang Soo Kim

In this paper, we study Grothendieck polynomials from a combinatorial viewpoint. We introduce the factorial Grothendieck polynomials, analogues of the factorial Schur functions and present some of their properties, and use them to produce a…

组合数学 · 数学 2010-12-14 Peter J. McNamara

We consider equivariant integrals on flag manifolds of type $A$. Using a computational method inspired by the theory of wall-crossing formulas by Takuro Mochizuki, we re-prove residue formulas for equivariant integrals given by Weber and…

代数几何 · 数学 2024-07-25 Ryo Ohkawa

In this article we obtain many results on the multiplicative structure constants of $T$-equivariant Grothendieck ring of the flag variety $G/B$. We do this by lifting the classes of the structure sheaves of Schubert varieties in…

代数几何 · 数学 2014-09-12 V. Uma

We prove Jacobi-Trudi-type determinantal formulas for skew dual Grothendieck polynomials which are $K$-theoretic deformations of Schur polynomials. We also prove a bialternant-type formula analogous to the classical definition of Schur…

组合数学 · 数学 2022-01-26 Alimzhan Amanov , Damir Yeliussizov

This paper is the sequel of the paper under the same title with part 1, where we introduced refined canonical stable Grothendieck polynomials and their duals with two families of infinite parameters. In this paper we give combinatorial…

组合数学 · 数学 2025-04-23 Byung-Hak Hwang , Jihyeug Jang , Jang Soo Kim , Minho Song , U-Keun Song

We prove a formula for the degrees of Ikeda and Naruse's $P$-Grothendieck polynomials using combinatorics of shifted tableaux. We show this formula can be used in conjunction with results of Hamaker, Marberg, and Pawlowski to obtain an…

组合数学 · 数学 2024-06-24 Oliver Pechenik , Matthew St. Denis

We give a proof of the generalized Cauchy identity for double Grothendieck polynomials, a combinatorial interpretation of the stable double Grothendieck polynomials in terms of triples of tableaux, and an interpolation between the stable…

组合数学 · 数学 2024-12-31 Graham Hawkes

The purpose of this paper is to prove a Pieri-type multiplication formula for quantum Grothendieck polynomials, which was conjectured by Lenart-Maeno. This formula would enable us to compute explicitly the quantum product of two arbitrary…

量子代数 · 数学 2024-06-26 Satoshi Naito , Daisuke Sagaki

The K-theoretic quiver component formula expresses the K-polynomial of a type A quiver locus as an alternating sum of products of double Grothendieck polynomials. This formula was conjectured by A. Buch and R. Rim\'anyi and later proved by…

组合数学 · 数学 2025-03-14 Aidan Lindberg , Jenna Rajchgot

We give an explanation for the Pieri coefficients for the stable and dual stable Grothendieck polynomials; their non-leading terms are obtained by taking an alternating sum of meets (or joins) of their leading terms.

组合数学 · 数学 2018-10-30 Motoki Takigiku

We give new formulas for Grothendieck polynomials of two types. One type expresses any specialization of a Grothendieck polynomial in at least two sets of variables as a linear combination of products Grothendieck polynomials in each set of…

组合数学 · 数学 2010-03-29 Cristian Lenart , Shawn Robinson , Frank Sottile

We consider the Grothendieck polynomials appearing in the K-theory of Grassmannians, which are analogs of Schur polynomials. This paper aims to establish a version of the Murnaghan-Nakayama rule for Grothendieck polynomials of the…

组合数学 · 数学 2024-05-14 Khanh Nguyen Duc , Dang Tuan Hiep , Tran Ha Son , Do Le Hai Thuy

We give a combinatorial expansion of the stable Grothendieck polynomials of skew Young diagrams in terms of skew Schur functions, using a new row insertion algorithm for set-valued semistandard tableaux of skew shape. This expansion unifies…

组合数学 · 数学 2020-09-15 Melody Chan , Nathan Pflueger

Lascoux polynomials generalize Grassmannian stable Grothendieck polynomials and may be viewed as K-theoretic analogs of key polynomials. The latter two polynomials have combinatorial formulas involving tableaux: Lascoux and…

组合数学 · 数学 2022-05-17 Tianyi Yu

Grothendieck point residue is considered in the context of computational complex analysis. A new effective method is proposed for computing Grothendieck point residues mappings and residues. Basic ideas of our approach are the use of…

符号计算 · 计算机科学 2020-11-19 Shinichi Tajima , Katsusuke Nabeshima

We show that the flagged Grothendieck polynomials defined as the generating functions of flagged set-valued tableaux of Knutson-Miller-Yong can be expressed by a Jacobi-Trudi type determinant formula generalizing the work of…

组合数学 · 数学 2017-01-16 Tomoo Matsumura

Let $G$ be a split semisimple linear algebraic group over a field and let $X$ be a generic twisted flag variety of $G$. Extending the Hilbert basis techniques to Laurent polynomials over integers we give an explicit presentation of the…

代数几何 · 数学 2017-11-01 Sanghoon Baek , Rostislav Devyatov , Kirill Zainoulline