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VOL. 28 | 2000 Littlewood–Richardson Coefficients and Kazhdan–Lusztig Polynomials
Bernard Leclerc, Jean-Yves Thibon

## 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 [21] in terms of ribbon tableaux.

## Information

Published: 1 January 2000
First available in Project Euclid: 20 August 2018

zbMATH: 1058.20006
MathSciNet: MR1864481

Digital Object Identifier: 10.2969/aspm/02810155