Taking minors without splitting tangles
Combinatorics
2025-12-12 v1
Abstract
We prove that any element in a matroid can be removed, by either deletion or contraction, in such a way that no tangle "splits".
Keywords
Cite
@article{arxiv.2512.10022,
title = {Taking minors without splitting tangles},
author = {Jim Geelen},
journal= {arXiv preprint arXiv:2512.10022},
year = {2025}
}