The signed Eulerian numbers on involutions
Combinatorics
2008-03-17 v1
Abstract
We define an analogue of signed Eulerian numbers for involutions of the symmetric group and derive some combinatorial properties of this sequence. In particular, we exhibit both an explicit formula and a recurrence for arising from the properties of its generating function.
Keywords
Cite
@article{arxiv.0803.2126,
title = {The signed Eulerian numbers on involutions},
author = {M. Barnabei and F. Bonetti and M. Silimbani},
journal= {arXiv preprint arXiv:0803.2126},
year = {2008}
}
Comments
10 pages