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    IPCO
    2010
    141views Optimization» more  IPCO 2010»
    The Price of Collusion in Series-Parallel Networks
    14 years 11 months ago
    The Price of Collusion in Series-Parallel Networks
    Download  www.cs.dartmouth.edu
    Abstract. We study the quality of equilibrium in atomic splittable routing games. We show that in single-source single-sink games on seriesparallel graphs, the price of collusion -...
    Umang Bhaskar, Lisa Fleischer, Chien-Chung Huang
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    IPCO
    2010
    184views Optimization» more  IPCO 2010»
    Computing Minimum Multiway Cuts in Hypergraphs from Hypertree Packings
    14 years 11 months ago
    Computing Minimum Multiway Cuts in Hypergraphs from Hypertree Packings
    Download  www-or.amp.i.kyoto-u.ac.jp
    Hypergraph multiway cut problem is a problem of finding a minimum capacity set of hyperedges whose removal divides a given hypergraph into a specified number of connected componen...
    Takuro Fukunaga
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    IPCO
    2010
    174views Optimization» more  IPCO 2010»
    On Lifting Integer Variables in Minimal Inequalities
    14 years 11 months ago
    On Lifting Integer Variables in Minimal Inequalities
    Download  integer.tepper.cmu.edu
    This paper contributes to the theory of cutting planes for mixed integer linear programs (MILPs). Minimal valid inequalities are well understood for a relaxation of an MILP in tab...
    Amitabh Basu, Manoel B. Campêlo, Michele Con...
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    IPCO
    2010
    160views Optimization» more  IPCO 2010»
    On Column-Restricted and Priority Covering Integer Programs
    14 years 11 months ago
    On Column-Restricted and Priority Covering Integer Programs
    Download  www.math.uwaterloo.ca
    In a column-restricted covering integer program (CCIP), all the non-zero entries of any column of the constraint matrix are equal. Such programs capture capacitated versions of cov...
    Deeparnab Chakrabarty, Elyot Grant, Jochen Kö...
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    IPCO
    2010
    231views Optimization» more  IPCO 2010»
    Branched Polyhedral Systems
    14 years 11 months ago
    Branched Polyhedral Systems
    Download  www.math.uni-magdeburg.de
    We introduce the framework of polyhedral branching systems that can be used in order to construct extended formulations for polyhedra by combining extended formulations for other p...
    Volker Kaibel, Andreas Loos
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