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Littlewood-Richardson coefficients and Kazhdan-Lusztig polynomials

Bernard Leclerc·Jean-Yves Thibon
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Abstract

We show that the Littlewood-Richardson coefficients are values at 1 of certain parabolic Kazhdan-Lusztig polynomials for affine symmetric groups. These q-analogues of Littlewood-Richardson multiplicities coincide with those previously introduced in terms of ribbon tableaux.

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BibTeXRIS

Bernard Leclerc, Jean-Yves Thibon. 1999-02-01. Littlewood-Richardson coefficients and Kazhdan-Lusztig polynomials. https://arxiv.org/abs/math/9809122

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