The uncrossing partial order on matchings is Eulerian
arXiv:1406.5671
Abstract
We prove that the partial order on the set of matchings of 2n points on a circle, given by resolving crossings, is an Eulerian poset.
6 pages
arXiv:1406.5671
We prove that the partial order on the set of matchings of 2n points on a circle, given by resolving crossings, is an Eulerian poset.
6 pages