Two Examples of Toric Arrangements
Combinatorics
2019-06-19 v3 Algebraic Topology
Abstract
We show that the integral cohomology algebra of the complement of a toric arrangement is not determined by the poset of layers. Moreover, the rational cohomology algebra is not determined by the arithmetic matroid (however it is determined by the poset of layers).
Keywords
Cite
@article{arxiv.1804.05767,
title = {Two Examples of Toric Arrangements},
author = {Roberto Pagaria},
journal= {arXiv preprint arXiv:1804.05767},
year = {2019}
}
Comments
12 pages, 1 figure, removed section 3