Treewidth of Circular-Arc Graphs

  • Authors:
  • Ravi Sundaram;Karan Sher Singh;C. Pandu Rangan

  • Affiliations:
  • -;-;-

  • Venue:
  • SIAM Journal on Discrete Mathematics
  • Year:
  • 1994

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Abstract

The treewidth of a graph is one of the most important graph-theoretic parameters from the algorithmic point of view. However, computing the treewidth and constructing a corresponding tree-decomposition for a general graph is NP-complete. This paper presents an algorithm for computing the treewidth and constructing a corresponding tree-decomposition for circular-arc graphs in $O(n^3)$ time.