On a primal–dual analytic center cutting plane method for variational inequalities

On a primal–dual analytic center cutting plane method for variational inequalities

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Article ID: iaor20003636
Country: Netherlands
Volume: 12
Issue: 1/2/3
Start Page Number: 127
End Page Number: 155
Publication Date: Jan 1999
Journal: Computational Optimization and Applications
Authors: ,
Keywords: computational analysis
Abstract:

We present an algorithm for variational inequalities VI(F, Y) that uses a primal–dual version of the Analytic Center Cutting Plane Method. The point-to-set mapping F is assumed to be monotone, or pseudomonotone. Each computation of a new analytic center requires at most four Newton iterations, in theory, and in practice one or sometimes two. Linear equalities that may be included in the definition of the set Y are taken explicitly into account. We report numerical experiments on several well-known variational inequality problems as well as on one where the functional results from the solution of large subproblems. The method is robust and competitive with algorithms which use the same information as this one.

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