Listing all potential maximal cliques of a graph

  • Authors:
  • Vincent Bouchitté;Ioan Todinca

  • Affiliations:
  • École Normale Supérieure de Lyon, Lyon, France;École Normale Supérieure de Lyon, Lyon, France

  • Venue:
  • Theoretical Computer Science
  • Year:
  • 2002

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Abstract

A potential maximal clique of a graph is a vertex set that induces a maximal clique in some minimal triangulation of that graph. It is known that if these objects can be listed in polynomial time for a class of graphs, the treewidth and the minimum fill-in are polynomially tractable for these graphs. We show here that the potential maximal cliques of a graph can be generated in polynomial time in the number of minimal separators of the graph. Thus, the treewidth and the minimum fill-in are polynomially tractable for all classes of graphs with a polynomial number of minimal separators.