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Certifying Algorithms for Recognizing Proper Circular-Arc Graphs and Unit Circular-Arc Graphs

  • Haim Kaplan
  • Yahav Nussbaum
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4271)

Abstract

We give two new algorithms for recognizing proper circular-arc graphs and unit circular-arc graphs. The algorithms either provide a model for the input graph, or a certificate that proves that such a model does not exist and can be authenticated in O(n) time.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Haim Kaplan
    • 1
  • Yahav Nussbaum
    • 1
  1. 1.School of Computer ScienceTel Aviv UniversityTel AvivIsrael

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