MAT-Freeness is not combinatorial
Combinatorics
2025-12-05 v1
Abstract
We show that the notion of MAT-freeness for hyperplane arrangements depends on the underlying field. In particular, MAT-freeness is not combinatorial.
Cite
@article{arxiv.2512.04613,
title = {MAT-Freeness is not combinatorial},
author = {Torsten Hoge and Gerhard Roehrle},
journal= {arXiv preprint arXiv:2512.04613},
year = {2025}
}
Comments
7 pages