Valid inequalities and branch‐and‐cut for the clique pricing problem

Valid inequalities and branch‐and‐cut for the clique pricing problem

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Article ID: iaor20117097
Volume: 8
Issue: 3
Start Page Number: 393
End Page Number: 410
Publication Date: Aug 2011
Journal: Discrete Optimization
Authors: , , ,
Keywords: branch-and-cut, polyhedra, pricing, tolls
Abstract:

Motivated by an application in highway pricing, we consider the problem that consists in setting profit‐maximizing tolls on a clique subset of a multicommodity transportation network. We formulate the problem as a linear mixed integer program and propose strong valid inequalities, some of which define facets of the two‐commodity polyhedron. The numerical efficiency of these inequalities is assessed by embedding them within a branch‐and‐cut framework.

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