Distance spectral radius for a graph to be k-critical with respect to [1,b]-odd factor

Sufang Wang, Wei Zhang

Let $G$ be a connected graph, and let $b$ and $k$ be two positive integers with $b\equiv 1$ (mod 2). A $[1,b]$-odd factor of $G$ is a spanning subgraph $F$ of $G$ with $d_F(v)\equiv…