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Let Kt denote the complete graph with t vertices, and let K1,m (a star with m edges) denote the complete bipartite graph with partite sets of sizes 1 and m. A graph G of order n is weakly F-saturated if G contains no copy of F, and there is an ordering of the edges in E(Kn∖G) so that if they are added one at a time, then each edge added creates a new copy of F. In this paper, the weak saturation number...
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