Abstract
In this paper we consider the question of solving equilibrium problems—formulated as complementarity problems and, more generally, mathematical programs with equilibrium constraints (MPECs)—as nonlinear programs, using an interior-point approach. These problems pose theoretical difficulties for nonlinear solvers, including interior-point methods. We examine the use of penalty methods to get around these difficulties and provide substantial numerical results. We go on to show that penalty methods can resolve some problems that interior-point algorithms encounter in general.
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An erratum to this article is available at http://dx.doi.org/10.1007/s10589-006-9594-3.
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Benson, H.Y., Sen, A., Shanno, D.F. et al. Interior-Point Algorithms, Penalty Methods and Equilibrium Problems. Comput Optim Applic 34, 155–182 (2006). https://doi.org/10.1007/s10589-005-3908-8
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DOI: https://doi.org/10.1007/s10589-005-3908-8