Improved results for directed multicut

  • Authors:
  • Anupam Gupta

  • Affiliations:
  • Lucent Bell Labs, Murray Hill, NJ

  • Venue:
  • SODA '03 Proceedings of the fourteenth annual ACM-SIAM symposium on Discrete algorithms
  • Year:
  • 2003

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Abstract

We give a simple algorithm for the Minimum Directed Multicut problem, and show that it gives an O(√n)-approximation. This improves on the previous approximation guarantee of O(√n log k) of Cheriyan, Karloff and Rabani [1], which was obtained by a more sophisticated algorithm.