Viscosity approximation method for generalized asymptotically quasi-nonexpansive mappings in a convex metric space

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• 作者：Abdul Rahim Khan ; Nusrat Yasmin ; Hafiz Fukhar-ud-din…
• 关键词：convex metric space ; viscosity iterative method ; generalized asymptotically quasi ; nonexpansive mapping ; uniformly Hölder continuous function ; common fixed point ; strong convergence ; △-convergence
• 刊名：Fixed Point Theory and Applications
• 出版年：2015
• 出版时间：December 2015
• 年：2015
• 卷：2015
• 期：1
• 全文大小：1,615 KB
• 刊物主题：Analysis; Mathematics, general; Applications of Mathematics; Differential Geometry; Topology; Mathematical and Computational Biology;
• 出版者：Springer International Publishing
• ISSN：1687-1812

文摘

A general viscosity iterative method for a finite family of generalized asymptotically quasi-nonexpansive mappings in a convex metric space is introduced. Special cases of the new iterative method are the viscosity iterative method of Chang et al. (Appl. Math. Comput. 212:51-59, 2009), an analogue of the viscosity iterative method of Fukhar-ud-din et al. (J. Nonlinear Convex Anal. 16:47-58, 2015) and an extension of the multistep iterative method of Yildirim and Özdemir (Arab. J. Sci. Eng. 36:393-403, 2011). Our results generalize and extend the corresponding known results in uniformly convex Banach spaces and \(\operatorname{CAT}(0)\) spaces simultaneously.