Face numbers of down-sets
Combinatorics
2015-03-13 v2
Abstract
We compare various viewpoints on down-sets (simplicial complexes), illustrating how the combinatorial inclusion-exclusion principle may serve as an alternative to more advanced methods of studying their face numbers.
Cite
@article{arxiv.1311.5039,
title = {Face numbers of down-sets},
author = {Michal Adamaszek},
journal= {arXiv preprint arXiv:1311.5039},
year = {2015}
}
Comments
3 pages, accepted to Amer. Math. Monthly, v2: typos fixed