Neighborly spheres and transversal numbers
Combinatorics
2022-08-04 v1
Abstract
We survey several old and new problems related to the number of simplicial spheres, the number of neighborly simplicial spheres, the number of centrally symmetric simplicial spheres that are cs-neighborly, and the transversal numbers of hypergraphs that arise from simplicial spheres.
Cite
@article{arxiv.2208.02071,
title = {Neighborly spheres and transversal numbers},
author = {Isabella Novik and Hailun Zheng},
journal= {arXiv preprint arXiv:2208.02071},
year = {2022}
}
Comments
15 pages, for the "Open Problems in Algebraic Combinatorics" AMS volume to accompany the OPAC 2022 conference at the University of Minnesota