A generalised Euler-Poincar\'e formula for associahedra
Combinatorics
2017-11-15 v1
Abstract
We derive a formula for the number of flip-equivalence classes of tilings of an -gon by collections of tiles of shape dictated by an integer partition . The proof uses the Euler-Poincar\'e formula; and the formula itself generalises the Euler-Poincar\'e formula for associahedra.
Cite
@article{arxiv.1711.04986,
title = {A generalised Euler-Poincar\'e formula for associahedra},
author = {Karin Baur and Paul P. Martin},
journal= {arXiv preprint arXiv:1711.04986},
year = {2017}
}