Delta-matroids whose twist polynomials are monomials
Combinatorics
2024-04-02 v3
Abstract
The twist polynomial of a delta-matroid was recently introduced by Yan and Jin, who proved a characterization of binary delta-matroids with twist monomials. In this paper, we extend this result to all delta-matroids by proving that any delta-matroid with a twist monomial must be binary.
Cite
@article{arxiv.2208.13258,
title = {Delta-matroids whose twist polynomials are monomials},
author = {Daniel Yuschak},
journal= {arXiv preprint arXiv:2208.13258},
year = {2024}
}
Comments
11 pages, 1 table, no figures