The edge spectrum of $K_4^{-}$-saturated graphs

Jun Gao, Xinmin Hou, Yue Ma

Given graphs $G$ and $H$, $G$ is $H$-saturated if $G$ does not contain a copy of $H$ but the addition of any edge $e\notin E(G)$ creates at least one copy of $H$ within $G$. The ed…