Vol. 3, No. 2, 2009

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A jeu de taquin theory for increasing tableaux, with applications to {\textsl K}\hskip-2pt-theoretic Schubert calculus

Hugh Thomas and Alexander Yong

Vol. 3 (2009), No. 2, 121–148
Abstract

We introduce a theory of jeu de taquin for increasing tableaux, extending fundamental work of Schützenberger (1977) for standard Young tableaux. We apply this to give a new combinatorial rule for the $K$-theory Schubert calculus of Grassmannians via $K$ -theoretic jeu de taquin, providing an alternative to the rules of Buch and others. This rule naturally generalizes to give a conjectural root-system uniform rule for any minuscule flag variety $G∕P$, extending recent work of Thomas and Yong. We also present analogues of results of Fomin, Haiman, Schensted and Schützenberger.

Keywords
Schubert calculus, K-theory, jeu de taquin
Primary: 05E10
Secondary: 14M15