Sequential convexification in reverse convex and disjunctive programming

Sequential convexification in reverse convex and disjunctive programming

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Article ID: iaor1989731
Country: Netherlands
Volume: 44
Issue: 3
Start Page Number: 337
End Page Number: 350
Publication Date: Nov 1989
Journal: Mathematical Programming (Series A)
Authors: , ,
Keywords: disjunctive programming
Abstract:

This paper is about a property of certain combinatorial structures, called sequential convexifiability, shown by Balas to hold for facial disjunctive programs. Sequential convexifiability means that the convex hull of a nonconvex set defined by a collection of constraints can be generated by imposing the constraints one by one, sequentially, and generating each time the convex hull of the resulting set. Here the authors extend the class of problems considered to disjunctive programs with infinitely many terms, also known as reverse convex programs, and give necessary and sufficient conditions for the solution sets of such problems to be sequentially convexifiable. They point out important classes of problems in addition to facial disjunctive programs (for instance, reverse convex programs with equations only) for which the conditions are always satisfied. Finally, the authors give examples of disjunctive programs for which the conditions are violated, and so the procedure breaks down.

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