Approximation Algorithms for Multicommodity-Type Problems with Guarantees Independent of the Graph Size

  • Ankur Moitra
  • Published 2009 in
    2009 50th Annual IEEE Symposium on Foundations of…

Abstract

Linial, London and Rabinovich and Aumann and Rabani proved that the min-cut max-flow ratio for general maximum concurrent flow problems (when there are $k$ commodities) is $O(\log k)$. Here we attempt to derive a more general theory of Steiner cut and flow problems, and we prove bounds that are poly-logarithmic in $k$ for a much broader class of… (More)
DOI: 10.1109/FOCS.2009.28
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