English

The 2-Factor Polynomial Detects Even Perfect Matchings

Combinatorics 2020-06-02 v2

Abstract

In this paper, we prove that the 2-factor polynomial, an invariant of a planar trivalent graph with a perfect matching, counts the number of 2- factors that contain the the perfect matching as a subgraph. Consequently, we show that the polynomial detects even perfect matchings.

Keywords

Cite

@article{arxiv.1812.10346,
  title  = {The 2-Factor Polynomial Detects Even Perfect Matchings},
  author = {Scott Baldridge and Adam M. Lowrance and Ben McCarty},
  journal= {arXiv preprint arXiv:1812.10346},
  year   = {2020}
}

Comments

16 pages, 17 figures

R2 v1 2026-06-23T06:56:22.882Z