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Counting the Number of Matchings in Chordal and Chordal Bipartite Graph Classes

Published: 04 December 2009 Publication History

Abstract

We provide polynomial-time algorithms for counting the number of perfect matchings in chain graphs, cochain graphs, and threshold graphs. These algorithms are based on newly developed subdivision schemes that we call a recursive decomposition. On the other hand, we show the $\sharp$ P-completeness for counting the number of perfect matchings in chordal graphs, split graphs and chordal bipartite graphs. This is in an interesting contrast with the fact that counting the number of independent sets in chordal graphs can be done in linear time.

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cover image Guide books
Graph-Theoretic Concepts in Computer Science: 35th International Workshop, WG 2009, Montpellier, France, June 24-26, 2009. Revised Papers
December 2009
352 pages
ISBN:9783642114083
  • Editors:
  • Christophe Paul,
  • Michel Habib

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Springer-Verlag

Berlin, Heidelberg

Publication History

Published: 04 December 2009

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