A Polynomial-Time Algorithm for Near-Perfect Phylogeny

  • Authors:
  • David Fernández-Baca;Jens Lagergren

  • Affiliations:
  • -;-

  • Venue:
  • SIAM Journal on Computing
  • Year:
  • 2003

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Abstract

A parameterized version of the Steiner tree problem in phylogeny is defined, where the parameter measures the amount by which a phylogeny differs from "perfection." This problem is shown to be solvable in polynomial time for any fixed value of the parameter.