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    JCT
    2006
    100views more  JCT 2006»
    Approximating clique-width and branch-width
    14 years 2 months ago
    Approximating clique-width and branch-width
    Download  www.math.princeton.edu
    We construct a polynomial-time algorithm to approximate the branch-width of certain symmetric submodular functions, and give two applications. The first is to graph "clique-wi...
    Sang-il Oum, Paul D. Seymour
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    FOCS
    2007
    IEEE
    132views Theoretical Computer Science» more  FOCS 2007»
    Maximizing Non-Monotone Submodular Functions
    14 years 9 months ago
    Maximizing Non-Monotone Submodular Functions
    Download  www.math.princeton.edu
    Submodular maximization generalizes many important problems including Max Cut in directed/undirected graphs and hypergraphs, certain constraint satisfaction problems and maximum f...
    Uriel Feige, Vahab S. Mirrokni, Jan Vondrák
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