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    DISOPT
    2011
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    The Wiener maximum quadratic assignment problem
    12 years 7 months ago
    The Wiener maximum quadratic assignment problem
    Download  www.opt.math.tu-graz.ac.at
    We investigate a special case of the maximum quadratic assignment problem where one matrix is a product matrix and the other matrix is the distance matrix of a one-dimensional poi...
    Eranda Çela, Nina S. Schmuck, Shmuel Wimer,...
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    2011
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    Valid inequalities and branch-and-cut for the clique pricing problem
    12 years 7 months ago
    Valid inequalities and branch-and-cut for the clique pricing problem
    Download  www.optimization-online.org
    Motivated by an application in highway pricing, we consider the problem that consists in setting profit-maximizing tolls on a clique subset of a multicommodity transportation net...
    Géraldine Heilporn, Martine Labbé, P...
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    2011
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    Strengthening lattice-free cuts using non-negativity
    12 years 7 months ago
    Strengthening lattice-free cuts using non-negativity
    Download  www.optimization-online.org
    In recent years there has been growing interest in generating valid inequalities for mixedinteger programs using sets with 2 or more constraints. In particular, Andersen et al. (2...
    Ricardo Fukasawa, Oktay Günlük
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    2011
    177views Education» more  DISOPT 2011»
    Lower bounds on kernelization
    12 years 11 months ago
    Lower bounds on kernelization
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    Neeldhara Misra, Venkatesh Raman, Saket Saurabh
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    2011
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    The parameterized complexity of k-flip local search for SAT and MAX SAT
    12 years 11 months ago
    The parameterized complexity of k-flip local search for SAT and MAX SAT
    Download  www.kr.tuwien.ac.at
    SAT and MAX SAT are among the most prominent problems for which local search algorithms have been successfully applied. A fundamental task for such an algorithm is to increase the...
    Stefan Szeider
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    2011
    240views Education» more  DISOPT 2011»
    On the directed Full Degree Spanning Tree problem
    12 years 11 months ago
    On the directed Full Degree Spanning Tree problem
    Download  www-lti.informatik.rwth-aachen.de
    We study the parameterized complexity of a directed analog of the Full Degree Spanning Tree problem where, given a digraph D and a nonnegative integer k, the goal is to construct a...
    Daniel Lokshtanov, Venkatesh Raman, Saket Saurabh,...
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    2011
    213views Education» more  DISOPT 2011»
    On the algorithmic effectiveness of digraph decompositions and complexity measures
    12 years 11 months ago
    On the algorithmic effectiveness of digraph decompositions and complexity measures
    Download  web.cs.gc.cuny.edu
    Michael Lampis, Georgia Kaouri, Valia Mitsou
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