Unions of disjoint NP-complete sets

  • Authors:
  • Christian Glaßer;John M. Hitchcock;A. Pavan;Stephen Travers

  • Affiliations:
  • Julius-Maximilians-Universität Würzburg;Department of Computer Science, University of Wyoming;Department of Computer Science, Iowa State University;Julius-Maximilians-Universität Würzburg

  • Venue:
  • COCOON'11 Proceedings of the 17th annual international conference on Computing and combinatorics
  • Year:
  • 2011

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Abstract

We study the following question: if A and B are disjoint NPcomplete sets, then is A ∩ B NP-complete? We provide necessary and sufficient conditions under which the union of disjoint NP-complete sets remain complete.