Finding minimum-cost flows by double scaling

@article{Ahuja1992FindingMF,
  title={Finding minimum-cost flows by double scaling},
  author={Ravindra K. Ahuja and Andrew V. Goldberg and James B. Orlin and Robert E. Tarjan},
  journal={Mathematical Programming},
  year={1992},
  volume={53},
  pages={243-266}
}
Several researchers have recently developed new techniques that give fast algorithms for the minimum-cost flow problem. In this paper we combine several of these techniques to yield an algorithm running in O(nm(log logU) log(nC)) time on networks withn vertices,m edges, maximum arc capacityU, and maximum arc cost magnitudeC. The major techniques used are the capacity-scaling approach of Edmonds and Karp, the excess-scaling approach of Ahuja and Orlin, the cost-scaling approach of Goldberg and… CONTINUE READING
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