On pairwise compatibility graphs having Dilworth number two

  • Authors:
  • T. Calamoneri;R. Petreschi

  • Affiliations:
  • -;-

  • Venue:
  • Theoretical Computer Science
  • Year:
  • 2014

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Abstract

A graph G=(V,E) is called a pairwise compatibility graph (PCG) if there exists a tree T, a positive edge-weight function w on T, and two non-negative real numbers d"m"i"n and d"m"a"x, d"m"i"n=