On the complexity of the Maximum Subgraph Problem

  • Authors:
  • John M. Lewis

  • Affiliations:
  • -

  • Venue:
  • STOC '78 Proceedings of the tenth annual ACM symposium on Theory of computing
  • Year:
  • 1978

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Abstract

For a fixed graph property, the Maximum Subgraph Recognition Problem for the property is: Given a graph G and integer k, does G have a subgraph induced by k vertices which satisfies the property. This paper studies the complexity of this problem for various properties. The principal result is that if the property is any one of a wide class of monotone properties, the Maximum Subgraph Problem is NP-hard. This suggests a promising direction of inquiry into the P &equil; ?NP question.