$L(1,1)-$ Labeling of Direct Product of Cycles

Tayo Charles Adefokun, Deborah Olayide Ajayi

An $L(1,1)$-labeling of a graph $G$ is an assignment of labels from $\{0,1\cdots ,k\}$ to the vertices of $G$ such that two vertices that are adjacent or have a common neighbor r…