Factorially Many Maximum Matchings Close to the Erdős-Gallai Bound

Autor: Stéphane Bessy, Johannes Pardey, Lucas Picasarri-Arrieta, Dieter Rautenbach
Rok vydání: 2022
Předmět:
Zdroj: The Electronic Journal of Combinatorics. 29
ISSN: 1077-8926
DOI: 10.37236/10610
Popis: A classical result of Erdős and Gallai determines the maximum size $m(n,\nu)$ of a graph $G$ of order $n$ and matching number $\nu n$. We show that $G$ has factorially many maximum matchings provided that its size is sufficiently close to $m(n,\nu)$.
Databáze: OpenAIRE