The 2-Factor Polynomial Detects Even Perfect Matchings

  • Scott Baldridge
  • Adam M. Lowrance
  • Ben McCarty

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 perfect matching as a subgraph. Consequently, we show that the polynomial detects even perfect matchings.  

Published
2020-05-29
How to Cite
Baldridge, S., Lowrance, A. M., & McCarty, B. (2020). The 2-Factor Polynomial Detects Even Perfect Matchings. The Electronic Journal of Combinatorics, 27(2), P2.27. https://doi.org/10.37236/9214
Article Number
P2.27