Solving minimum-cost flow problems by successive approximation

  • Authors:
  • A. Goldberg;R. Tarjan

  • Affiliations:
  • Laboratory for Computer Science, Massachusetts Institute of Technology, Cambridge MA;Department of Computer Science, Princeton University, Princeton, NJ and AT&T Bell Laboratories, Murray Hill, NJ

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

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Abstract

We introduce a framework for solving minimum-cost flow problems. Our approach measures the quality of a solution by the amount that the complementary slackness conditions are violated. We show how to extend techniques developed for the maximum flow problem to improve the quality of a solution. This framework allows us to achieve &Ogr;(min(n3, n5/3 m2/3, nm log n) log (nC)) running time.