Finding stable sets from a graph

linear-programming integer-programming graph-theory maxima-minima decision-theory

I don't know what you mean by "a set of connected vertices". A stable set (independent set) is simply a set of pairwise nonadjacent vertices. For example, in the given graph, $\{A, C, D, E, F, G, H, J, K, L, M, N, Q, S, T\}$ is a largest independent set.

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