Unique perfect phylogeny is NP-hard

Published 26 Nov 2010 in q-bio.PE and cs.CC | (1011.5737v1)

Abstract: We answer, in the affirmative, the following question proposed by Mike Steel as a $100 challenge: "Is the following problem NP-hard? Given a ternary phylogenetic X-tree T and a collection Q of quartet subtrees on X, is T the only tree that displays Q ?"

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