Optimal $L(1,2)$-edge Labeling of Infinite Octagonal Grid

Subhasis Koley, Sasthi C. Ghosh

For two given non-negative integers $h$ and $k$, an $L(h,k)$-edge labeling of a graph $G=(V(G),E(G))$ is a function $f^{\prime }:E(G)\to \{0,1,\cdots ,n\}$ such that $\forall e_1…