Discovering treewidth

  • Authors:
  • Hans L. Bodlaender

  • Affiliations:
  • Institute of Information and Computing Sciences, Utrecht University, Utrecht, TB, the Netherlands

  • Venue:
  • SOFSEM'05 Proceedings of the 31st international conference on Theory and Practice of Computer Science
  • Year:
  • 2005

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Abstract

Treewidth is a graph parameter with several interesting theoretical and practical applications. This survey reviews algorithmic results on determining the treewidth of a given graph, and finding a tree decomposition of small width. Both theoretical results, establishing the asymptotic computational complexity of the problem, as experimental work on heuristics (both for upper bounds as for lower bounds), preprocessing, exact algorithms, and postprocessing are discussed.