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Constrained infinite group relaxations of MIPs

  • DEY, Santanu S.


    (Université catholique de Louvain (UCL). Center for Operations Research and Econometrics (CORE))

  • WOLSEY, Laurence A.


    (Université catholique de Louvain (UCL). Center for Operations Research and Econometrics (CORE))

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    Recently minimal and extreme inequalities for continuous group relaxations of general mixed integer sets have been characterized. In this paper, we consider a stronger relaxation of general mixed integer sets by allowing constraints, such as bounds, on the free integer variables in the continuous group relaxation. We generalize a number of results for the continuous infinite group relaxation to this stronger relaxation and characterize the extreme inequalities when there are two integer variables.

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    Paper provided by Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) in its series CORE Discussion Papers with number 2009033.

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    Date of creation: 01 May 2009
    Date of revision:
    Handle: RePEc:cor:louvco:2009033
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