A note on the number of $k$-roots in $S_n$
Combinatorics
2014-09-18 v2
Abstract
The number of -roots of an arbitrary permutation is expressed as an alternating sum of -unimodal -roots of the identity permutation.
Cite
@article{arxiv.1307.5504,
title = {A note on the number of $k$-roots in $S_n$},
author = {Yuval Roichman},
journal= {arXiv preprint arXiv:1307.5504},
year = {2014}
}
Comments
Version to appear in S\'eminaire Lotharingien de Combinatoire