English

A q-analogue of an identity of N. Wallach

Quantum Algebra 2007-05-23 v1

Abstract

N.Wallach has considered an element of the group algebra of the symmetric group S_n which is the sum of an n-cycle, an (n-1)-cycle,...,a 2-cycle and the identity. He showed that multiplication by this element has eigenvalues 0,1,2,...,n-2,n. We prove a q-analogue of this result in which the group algebra of S_n is replaced by the corresponding Hecke algebra.

Keywords

Cite

@article{arxiv.math/0311158,
  title  = {A q-analogue of an identity of N. Wallach},
  author = {G. Lusztig},
  journal= {arXiv preprint arXiv:math/0311158},
  year   = {2007}
}

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5 pages