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Abstract
A relevant amount of work has been devoted very recently to modeling and (heuristically) solving the NP-hard separation problem of famous classes of valid inequalities for mixed integer linear programs (MIPs). This task has been accomplished by using, in turn, mixed-integer linear models for the separation problem, and a general-purpose solver to actually find violated cuts—the so-calledMIPping approach. Weinstantly survey these attempts by discussing their computational outcome and pointing out their practical interest for future integration in the MIP solvers.
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DEI, University of Padova, via Gradenigo 6/A, Padova, 35131, Italy
Matteo Fischetti
DEIS, University of Bologna, Viale Risorgimento 2, Bologna, 40136, Italy
Andrea Lodi
- Matteo Fischetti
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Correspondence toAndrea Lodi.
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Fischetti, M., Lodi, A. MIPping Closures: An Instant Survey.Graphs and Combinatorics23 (Suppl 1), 233–243 (2007). https://doi.org/10.1007/s00373-007-0711-6
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