Covering Italian domination in graphs

Abdollah Khodkar, Doost Ali Mojdeh, Babak Samadi +1

For a graph $G=(V(G),E(G))$, an Italian dominating function (ID function) of $G$ is a function $f:V(G)\to \{0,1,2\}$ such that for each vertex $v\in V(G)$ with $f(v)=0$, $f…