tailieunhanh - Báo cáo hóa học: " Research Article Iterative Schemes for Generalized Equilibrium Problem and Two Maximal Monotone Operators"

Research Article Iterative Schemes for Generalized Equilibrium Problem and Two Maximal Monotone Operators | Hindawi Publishing Corporation Journal of Inequalities and Applications Volume 2009 Article ID 896252 34 pages doi 2009 896252 Research Article Iterative Schemes for Generalized Equilibrium Problem and Two Maximal Monotone Operators L. C. Zeng 1 2 Y. C. Lin 3 and J. C. Yao4 1 Department of Mathematics Shanghai Normal University Shanghai 200234 China 2 Science Computing Key Laboratory of Shanghai Universities Shanghai 200234 China 3 Department of Occupational Safety and Health China Medical University Taichung 404 Taiwan 4 Department of Applied Mathematics National Sun Yat-sen University Kaohsiung 804 Taiwan Correspondence should be addressed to J. C. Yao yaojc@ Received 20 July 2009 Accepted 27 October 2009 Recommended by Yeol Je Cho The purpose of this paper is to introduce and study two new hybrid proximal-point algorithms for finding a common element of the set of solutions to a generalized equilibrium problem and the sets of zeros of two maximal monotone operators in a uniformly smooth and uniformly convex Banach space. We established strong and weak convergence theorems for these two modified hybrid proximal-point algorithms respectively. Copyright 2009 L. C. Zeng et al. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. 1. Introduction Let X be a real Banach space and X its dual space. The normalized duality mapping J X 2X is defined as J x Ịx e X x x x 2 x 2 Vx e X where denotes the generalized duality pairing. Recall that if X is a smooth Banach space then J is singlevalued. Throughout this paper we will still denote by J the single-valued normalized duality mapping. Let C be a nonempty closed convex subset of X f a bifunction from C X C to R and A C X a nonlinear mapping. The generalized equilibrium problem is to find x e C such that f x y Ax y - x 0 Vy e C. 2 .

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