Enumeration of permutations by number of alternating descents

In this paper we present an explicit formula for the number of permutations with a given number of alternating descents. As an application, we obtain an interlacing property for the zeros of alternating Eulerian polynomials.

• Type: Journal
• Year: 2016
• Where: DM
• Authors: Shi-Mei Ma, Yeong-Nan Yeh
• Keywords: DM 2016