Packing edge-colorings of subcubic outerplanar graphs

Sijin Li, Yifan Li, Xujun Liu

For a sequence $S=(s_1,s_2,\dots ,s_k)$ of non-decreasing positive integers, an $S$-packing edge-coloring (S-coloring) of a graph $G$ is a partition of $E(G)$ into $E_1, E_2,…