Fast parallel algorithms for chordal graphs

  • Authors:
  • J. Naor;M. Naor;A. Schaffer

  • Affiliations:
  • Computer Science Division, University of California at Berkeley, Berkeley, California;-;Computer Science Department, Stanford University, Stanford, California

  • Venue:
  • STOC '87 Proceedings of the nineteenth annual ACM symposium on Theory of computing
  • Year:
  • 1987

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Abstract

We present an NC algorithm for recognizing chordal graphs, and we present NC algorithms for finding the following objects on chordal graphs: all maximal cliques, an intersection graph representation, an optimal coloring, a perfect elimination scheme, a maximum independent set, a minimum clique cover, and the chromatic polynomial. The well known polynomial algorithms for these problems seem highly sequential, and therefore a different approach is needed to find parallel algorithms.