Eulerian-Catalan Numbers

  • Hoda Bidkhori
  • Seth Sullivant

Abstract

We show that the Eulerian-Catalan numbers enumerate Dyck permutations. We provide two proofs for this fact, the first using the geometry of alcoved polytopes and the second a direct combinatorial proof via an Eulerian-Catalan analogue of the Chung-Feller theorem.

Published
2011-09-20
Article Number
P187