Uniquely $C_4^{+}$-saturated graphs

Yuying Li, Kexiang Xu, Dániel Gerbner +1

A graph $G$ is uniquely $H$-saturated if it contains no copy of a graph $H$ as a subgraph, but adding any new edge into $G$ creates exactly one copy of $H$. Let $C_4^{+}$ be the…