Monge matrices make maximization manageable

U. Pferschy, R. Rudolf, G.J. Woeginger

    Research output: Contribution to journalArticleAcademicpeer-review

    8 Citations (Scopus)


    We continue the research on the effects of Monge structures in the area of combinatorial optimization. We show that three optimization problems become easy if the underlying cost matrix fulfills the Monge property: (A) The balanced max-cut problem, (B) the problem of computing minimum weight binary k-matchings and (C) the computation of longest paths in bipartite, edge-weighted graphs. In all three results, we first prove that the Monge structure imposes some special combinatorial property on the structure of the optimum solution, and then we exploit this combinatorial property to derive efficient algorithms.
    Original languageEnglish
    Pages (from-to)245-254
    Number of pages10
    JournalOperations Research Letters
    Issue number5
    Publication statusPublished - 1994


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