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    DISOPT
    2007
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    Improving the feasibility pump
    14 years 11 days ago
    Improving the feasibility pump
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    Tobias Achterberg, Timo Berthold
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    DISOPT
    2007
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    Linear-programming design and analysis of fast algorithms for Max 2-CSP
    14 years 16 days ago
    Linear-programming design and analysis of fast algorithms for Max 2-CSP
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    The class Max (r, 2)-CSP (or simply Max 2-CSP) consists of constraint satisfaction problems with at most two r-valued variables per clause. For instances with n variables and m bin...
    Alexander D. Scott, Gregory B. Sorkin
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    2007
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    Computing integral solutions of complementarity problems
    14 years 16 days ago
    Computing integral solutions of complementarity problems
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    Gerard van der Laan, Dolf Talman, Zaifu Yang
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    2007
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    Strong polynomiality of resource constraint propagation
    14 years 16 days ago
    Strong polynomiality of resource constraint propagation
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    Constraint-based schedulers have been widely successful to tackle complex, disjunctive and cumulative, scheduling applications by combining tree search and constraint propagation....
    Luc Mercier, Pascal Van Hentenryck
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    2007
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    Using mixed-integer programming to solve power grid blackout problems
    14 years 16 days ago
    Using mixed-integer programming to solve power grid blackout problems
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    We consider optimization problems related to the prevention of large-scale cascading blackouts in power transmission networks subject to multiple scenarios of externally caused da...
    Daniel Bienstock, Sara Mattia
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    2007
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    Conflict analysis in mixed integer programming
    14 years 16 days ago
    Conflict analysis in mixed integer programming
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    Tobias Achterberg
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    2007
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    On the job rotation problem
    14 years 16 days ago
    On the job rotation problem
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    The job rotation problem (JRP) is the following: Given an n × n matrix A over R ∪ {−∞} and k ≤ n, find a k × k principal submatrix of A whose optimal assignment problem...
    Peter Butkovic, Seth Lewis
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    2007
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    A polynomial time equivalence between DNA sequencing and the exact perfect matching problem
    14 years 16 days ago
    A polynomial time equivalence between DNA sequencing and the exact perfect matching problem
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    We investigate the computational complexity of a combinatorial problem that arises in DNA sequencing by hybridization: The input consists of an integer together with a set S of wo...
    Jacek Blazewicz, Piotr Formanowicz, Marta Kasprzak...
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    2007
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    A feasibility pump heuristic for general mixed-integer problems
    14 years 16 days ago
    A feasibility pump heuristic for general mixed-integer problems
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    Finding a feasible solution of a given Mixed-Integer Programming (MIP) model is a very important (NP-complete) problem that can be extremely hard in practice. Very recently, Fisch...
    Livio Bertacco, Matteo Fischetti, Andrea Lodi
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    2007
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    Approximation of the Quadratic Set Covering problem
    14 years 16 days ago
    Approximation of the Quadratic Set Covering problem
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    Bruno Escoffier, Peter L. Hammer
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