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Erschienen in:
2012 | OriginalPaper | Buchkapitel
Perspective Reformulation and Applications
verfasst von : Oktay Günlük, Jeff Linderoth
Erschienen in: Mixed Integer Nonlinear Programming
Verlag: Springer New York
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In this paper we survey recent work on the perspective reformulation approach that generates tight, tractable relaxations for convex mixed integer nonlin- ear programs (MINLP)s. This preprocessing technique is applicable to cases where the MINLP contains binary indicator variables that force continuous decision variables to take the value 0, or to belong to a convex set. We derive from first principles the perspective reformulation, and we discuss a variety of practical MINLPs whose relaxation can be strengthened via the perspective reformulation. The survey concludes with comments and computations comparing various algorithmic techniques for solving perspective reformulations.