Adjacency spectral radius and H-factors in 1-binding graphs

Sizhong Zhou, Tao Zhang, Zhiren Sun

Let $G$ be a graph, and let $H:V(G)⟶\{\{1\},\{0,2\}\}$ be a set-valued function. Hence, $H(v)$ equals $\{1\}$ or $\{0,2\}$ for any $v\in V(G)$. We let $$ H^{-1}(1)=\{…