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    STOC
    2007
    ACM
    117views Algorithms» more  STOC 2007»
    Tight integrality gaps for Lovasz-Schrijver LP relaxations of vertex cover and max cut
    14 years 5 months ago
    Tight integrality gaps for Lovasz-Schrijver LP relaxations of vertex cover and max cut
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    We study linear programming relaxations of Vertex Cover and Max Cut arising from repeated applications of the "lift-and-project" method of Lovasz and Schrijver starting ...
    Grant Schoenebeck, Luca Trevisan, Madhur Tulsiani
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    STOC
    2009
    ACM
    150views Algorithms» more  STOC 2009»
    Integrality gaps for Sherali-Adams relaxations
    14 years 5 months ago
    Integrality gaps for Sherali-Adams relaxations
    Download  www.cs.princeton.edu
    We prove strong lower bounds on integrality gaps of Sherali?Adams relaxations for MAX CUT, Vertex Cover, Sparsest Cut and other problems. Our constructions show gaps for Sherali?A...
    Moses Charikar, Konstantin Makarychev, Yury Makary...
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