Roman domination number of Generalized Petersen Graphs P(n,2)

Haoli Wang, Xirong Xu, Yuansheng Yang +1

A $Romandominationfunction$ on a graph $G=(V,E)$ is a function $f:V(G)\to \{0,1,2\}$ satisfying the condition that every vertex $u$ with $f(u)=0$ is adjacent to at leas…