no code implementations • 1 Feb 2021 • Shi-Mei Ma, Jun Ma, Jean Yeh, Yeong-Nan Yeh
We first give a sufficient condition for a sequence of polynomials to have alternatingly increasing property, and then we present a systematic study of the joint distribution of excedances, fixed points and cycles of permutations and derangements, signed or not, colored or not.
Combinatorics 05A05
