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Given a non-decreasing sequence S=(s1,s2,…,sk) of positive integers, an S-packing coloring of a graph G is a mapping c from V(G) to {s1,s2,…,sk} such that any two vertices with the ith color are at mutual distance greater than si, 1≤i≤k. This paper studies S-packing colorings of (sub)cubic graphs. We prove that subcubic graphs are (1,2,2,2,2,2,2)-packing colorable and (1,1,2,2,2)-packing colorable...
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