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Articles

A Newton-type method for quasi-equilibrium problems and applications

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Pages 7-32 | Received 29 Nov 2019, Accepted 11 Jun 2021, Published online: 24 Jun 2021
 

Abstract

Quasi-equilibrium problems (QEPs) allow a change of the feasible region together with the considered point, in contrast to standard equilibrium problems (EPs). In this work, we extend the Newton-type method for EPs considered by Santos et al. to the setting of QEPs. We prove locally the convergence of the method and we establish the superlinear/quadratic convergence of the algorithm to a solution of the problem under suitable assumptions. Applications to generalized Nash equilibrium problems (GNEPs) are considered. Some preliminary numerical results are reported showing the performance of the algorithm.

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Disclosure statement

No potential conflict of interest was reported by the authors.

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