On fractional multicommodity flows and distance functions

C.A.J. Hurkens, A. Schrijver, É. Tardos

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    4 Citations (Scopus)


    We give some results on the existence of fractional and integral solutions to multicommodity flow problems, and on the related problem of decomposing distance functions into cuts. One of the results is: Let G = (V, E) be a planar bipartite graph. Then there exist subsets W1,…, Wt of V so that for each pair υ′, υ″ of vertices on the boundary of G, the distance of υ′ and υ″ in G is equal to the number of j = 1,…, t with |{υ′, υ″} ⋂ Wj| = 1 and so that the cuts δ(Wj) are pairwise disjoint.
    Original languageEnglish
    Pages (from-to)99-109
    JournalDiscrete Mathematics
    Issue number1-2
    Publication statusPublished - 1989


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