Exact (exponential) algorithms for the dominating set problem

  • Authors:
  • Fedor V. Fomin;Dieter Kratsch;Gerhard J. Woeginger

  • Affiliations:
  • Department of Informatics, University of Bergen, Bergen, Norway;LITA, Université de Metz, Metz Cedex 01, France;Department of Mathematics and Computer Science, TU Eindhoven, Eindhoven, The Netherlands

  • Venue:
  • WG'04 Proceedings of the 30th international conference on Graph-Theoretic Concepts in Computer Science
  • Year:
  • 2004

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Abstract

We design fast exact algorithms for the problem of computing a minimum dominating set in undirected graphs. Since this problem is NP-hard, it comes with no big surprise that all our time complexities are exponential in the number n of vertices. The contribution of this paper are ‘nice’ exponential time complexities that are bounded by functions of the form cn with reasonably small constants cn. And for the special cases of split graphs, bipartite graphs, and graphs of maximum degree three, we reach time complexities of 1.41422n, 1.73206n, and 1.51433n, respectively.