On the packing coloring of base-3 Sierpiński and $H$ graphs

Fei Deng, Zehui Shao, Aleksander Vesel

For a nondecreasing sequence of integers $S=(s_1,s_2,\dots )$ an $S$-packing $k$-coloring of a graph $G$ is a mapping from $V(G)$ to $\{1,2,\dots ,k\}$ such that vertices with c…