A spectral radius condition for a graph to have $(a,b)$-parity factors

Junjie Wang, Yang Yu, Jianbiao Hu +1

Let $a,b$ be two positive integers such that $a\le b$ and $a\equiv b$ (mod $2$). We say that a graph $G$ has an $(a,b)$-parity factor if $G$ has a spanning subgraph $F$ such that…