Abstract

AbstractA subset / of the nodes of a graph is a maximal independent set if no two nodes of / are joined to each other and every node not in / is joined to at least one node in /. We investigate the behavior of the average number e(n) and the average size μ(n) of maximal independent sets in trees Tn where the averages are over all trees Tn belonging to certain families of rooted trees. We find, under certain conditions, that e(n) ∼ q · En and μ(n) ∼ Sn as n → ∞, where q, E, and S are constants that depend on the family being considered.

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