Viscosity approximation methods for nonexpansive mappings
type: Item
instance of: scholarly article
title: Viscosity approximation methods for nonexpansive mappings
zbMATH Open document ID: 1061.47060
author: Hong-Kun Xu
published in: Journal of Mathematical Analysis and Applications
publication date: 2004-11-23T00:00:00Z
review text: The author extends Moudafi's result in Hilbert spaces [\textit{A. Moudafi}, J. Math. Anal. Appl. 241, 46--55 (2000; Zbl 0957.47039)] and further proves the strong convergence of a continuous scheme of Theorem 1.4. Further the hypotheses (H1)-(H3) for the iteration process (19) (or (38)) are refinements of those of Moudafi. The author provides a remarkable proof for the iterative scheme \(x_{n+1} = \alpha _{n}f(x_{n}) + (1-\alpha _{n})Tx_{n}\) in uniformly smooth Banach spaces. These two results are of independent interest in both the theories of nonlinear operator equations and optimization. Reviewer's remarks: (i) There is an omission of a vital term on pp 280 (line 13). The inequality should read: \(\leq \alpha t\| x-y\| + (1-t)\| x-y\| = (1-t(1-\alpha ))\| x-y\| .\) (ii) Under Remark on p. 290 (line 17), it should read: For the iteration process (19) (or (38)).
Mathematics Subject Classification ID: 47J25
Mathematics Subject Classification ID: 47H09
Mathematics Subject Classification ID: 47H10
zbMATH DE Number: 2117741
zbMATH Keywords: viscosity approximation
zbMATH Keywords: nonexpansive mapping
zbMATH Keywords: fixed point
MaRDI profile type: Publication
full work available at URL: j.jmaa.2004.04.059
OpenAlex ID: W2033943991
cites work: Convergence of approximants to fixed points of nonexpansive nonlinear mappings in Banach spaces
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DOI: 10.1016/J.JMAA.2004.04.059
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description: scientific article; zbMATH DE number 2117741