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A new solution method for equilibrium problems. (English) Zbl 1237.90253

Summary: A globally convergent algorithm for equilibrium problems with differentiable bifunctions is proposed. The algorithm is based on descent directions of a suitable family of gap functions. The novelty of the approach is that assumptions which guarantee that the stationary points of the gap functions are global optima are not required.

MSC:

90C47 Minimax problems in mathematical programming
90C33 Complementarity and equilibrium problems and variational inequalities (finite dimensions) (aspects of mathematical programming)
49K35 Optimality conditions for minimax problems
49M37 Numerical methods based on nonlinear programming
65K10 Numerical optimization and variational techniques
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