An involution on derangements preserving excedances and right-to-left minima
Combinatorics
2023-10-04 v3
Abstract
We give a bijective proof of a result by R.~Mantaci and F.~Rakotondrajao from 2003, regarding even and odd derangement with a fixed number of excedances. We refine this result by also considering the set of right-to-left minima.
Cite
@article{arxiv.2105.08455,
title = {An involution on derangements preserving excedances and right-to-left minima},
author = {Per Alexandersson and Frether Getachew Kebede},
journal= {arXiv preprint arXiv:2105.08455},
year = {2023}
}