Solving stochastic programs with integer recourse by enumeration: A framework using Gröbner basis reductions

Solving stochastic programs with integer recourse by enumeration: A framework using Gröbner basis reductions

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Article ID: iaor20001178
Country: Netherlands
Volume: 83
Issue: 2
Start Page Number: 229
End Page Number: 252
Publication Date: Oct 1998
Journal: Mathematical Programming
Authors: , ,
Keywords: programming: integer
Abstract:

In this paper we present a framework for solving stochastic programs with complete integer recourse and discretely distributed right-hand side vector, using Gröbner basis methods from computational algebra to solve the numerous second-stage integer programs. Using structural properties of the expected integer recourse function, we prove that under mild conditions an optimal solution is contained in a finite set. Furthermore, we present a basic scheme to enumerate this set and suggest improvements to reduce the number of function evaluations needed.

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