English

Littlewood-Richardson coefficients and Kazhdan-Lusztig polynomials

Quantum Algebra 2007-05-23 v3 Combinatorics Representation Theory

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.

Keywords

Cite

@article{arxiv.math/9809122,
  title  = {Littlewood-Richardson coefficients and Kazhdan-Lusztig polynomials},
  author = {Bernard Leclerc and Jean-Yves Thibon},
  journal= {arXiv preprint arXiv:math/9809122},
  year   = {2007}
}

Comments

51 pages, 10 Figures, Minor corrections and typos, and some new comments concerning Soergel's character formula for tilting modules