A maximum flow algorithm using MA ordering

  • Authors:
  • Satoru Fujishige

  • Affiliations:
  • Division of Systems Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan

  • Venue:
  • Operations Research Letters
  • Year:
  • 2003

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Abstract

Maximum adjacency (MA) ordering has effectively been applied to graph connectivity problems by Nagamochi and Ibaraki. In this note we show an application of MA ordering to the maximum flow problem with integral capacities to get a new polynomial-time algorithm. A scaling version of our algorithm runs in O(mnlogU) time, where m is the number of arcs, n the number of vertices, and U the maximum capacity.