Article ID Journal Published Year Pages File Type
4646876 Discrete Mathematics 2016 6 Pages PDF
Abstract

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.

Keywords
Related Topics
Physical Sciences and Engineering Mathematics Discrete Mathematics and Combinatorics
Preview
Enumeration of permutations by number of alternating descents
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