Iterative algorithms for finding common solutions of variational inequalities and systems of equilibrium problems and fixed points of families and semigroups of nonexpansive mappings |
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Authors: | Shahram Saeidi |
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Institution: | aDepartment of Mathematics, University of Kurdistan, Sanandaj 416, Kurdistan, Iran |
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Abstract: | We introduce iterative algorithms for finding a common element of the set of solutions of a system of equilibrium problems and of the set of fixed points of a finite family and a left amenable semigroup of nonexpansive mappings in a Hilbert space. We prove the strong convergence of the proposed iterative algorithm to the unique solution of a variational inequality, which is the optimality condition for a minimization problem. Our results extend, for example, the recent result of V. Colao, G. Marino, H.K. Xu, An Iterative Method for finding common solutions of equilibrium and fixed point problems, J. Math. Anal. Appl. 344 (2008) 340–352] to systems of equilibrium problems. |
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Keywords: | Amenable semigroup Common fixed point Equilibrium problem Iterative algorithm Nonexpansive mapping Projection Variational inequality Viscosity approximation |
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