1 citations · 2 across the 2 of their papers we have counts for
2 papers
math.CO2021★ 1 cited
An involution on derangements preserving excedances and right-to-left minima
Per Alexandersson, Frether Getachew Kebede
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 a…
math.CO2021★ 1 cited
Parity alternating permutations starting with an odd integer
Frether Getachew Kebede, Fanja Rakotondrajao
A Parity Alternating Permutation of the set is a permutation with even and odd entries alternatively. We deal with parity alternating permutations having…