Some remarks on free arrangements
Combinatorics
2019-03-06 v1 Group Theory
Abstract
We exhibit a particular free subarrangement of a certain restriction of the Weyl arrangement of type and use it to give an affirmative answer to a recent conjecture by T.~Abe on the nature of additionally free and stair-free arrangements.
Keywords
Cite
@article{arxiv.1903.01438,
title = {Some remarks on free arrangements},
author = {Torsten Hoge and Gerhard Roehrle},
journal= {arXiv preprint arXiv:1903.01438},
year = {2019}
}
Comments
11 p. arXiv admin note: text overlap with arXiv:1510.00213