Abstract:The K-theoretic Littlewood--Richardson rule, established by A. Buch, is a combinatorial method for counting the coefficients in the expansion of the product of two symmetric Grothendieck polynomials as a linear combination of symmetric Grothendieck polynomials. In this paper, we provide an explicit combinatorial formula in terms of set-valued contratableaux for the K-theoretic Littlewood--Richardson rule, generalizing the contratableau model for the classical Littlewood--Richardson rule introduced by Carré.
From: Siddheswar Kundu [view email]
[v1]
Thu, 3 Apr 2025 05:44:08 UTC (17 KB)
[v2]
Sun, 26 Jul 2026 06:31:32 UTC (16 KB)
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