English

Zelevinsky's involution at roots of unity

Quantum Algebra 2007-05-23 v1

Abstract

We give a combinatorial algorithm for computing Zelevinsky's involution of the set of isomorphism classes of irreducible representations of the affine Hecke algebra \H_m(t) when tt is a primitive nnth root of 1. We show that the same map can also be interpreted in terms of aperiodic nilpotent orbits of \Zb/n\Zb\Zb/n\Zb-graded vector spaces.

Keywords

Cite

@article{arxiv.math/9806060,
  title  = {Zelevinsky's involution at roots of unity},
  author = {B. Leclerc and J. -Y. Thibon and E. Vasserot},
  journal= {arXiv preprint arXiv:math/9806060},
  year   = {2007}
}

Comments

17 pages, Latex, epsf macros