A hybrid iterative scheme for mixed equilibrium problems and fixed point problems

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The purpose of this paper is to investigate the problem of finding a common element of the set of solutions of a mixed equilibrium problem (MEP) and the set of common fixed points of finitely many nonexpansive mappings in a real Hilbert space. First, by using the well-known KKM technique we derive the existence and uniqueness of solutions of the auxiliary problems for the MEP. Second, by virtue of this result we introduce a hybrid iterative scheme for finding a common element of the set of solutions of MEP and the set of common fixed points of finitely many nonexpansive mappings. Furthermore, we prove that the sequences generated by the hybrid iterative scheme converge strongly to a common element of the set of solutions of MEP and the set of common fixed points of finitely many nonexpansive mappings.

论文关键词:49J30,47H10,47H17,90C99,Mixed equilibrium problems,Hybrid iterative schemes,η-Strongly convex functions,KKM mappings,Nonexpansive mappings,Hilbert spaces

论文评审过程:Received 7 November 2006, Revised 13 February 2007, Available online 1 March 2007.

论文官网地址:https://doi.org/10.1016/j.cam.2007.02.022