English

On the excedance number of colored permutation groups

Combinatorics 2007-05-23 v1

Abstract

We generalize the results of Ksavrelof and Zeng about the multidistribution of the excedance number of SnS_n with some natural parameters to the colored permutation group and to the Coxeter group of type DD. We define two different orders on these groups which induce two different excedance numbers. Surprisingly, in the case of the colored permutation group, we get the same generalized formulas for both orders.

Keywords

Cite

@article{arxiv.math/0505436,
  title  = {On the excedance number of colored permutation groups},
  author = {Eli Bagno and David Garber},
  journal= {arXiv preprint arXiv:math/0505436},
  year   = {2007}
}

Comments

15 pages, no figures. submitted

R2 v1 2026-07-22T17:19:39.567Z