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Zbl 0957.47039
Moudafi, A.
Viscosity approximation methods for fixed-points problems. (English)
[J] J. Math. Anal. Appl. 241, No.1, 46-55 (2000). ISSN 0022-247X

The main result of the paper is: Let $C$ be a closed convex set of a real Hilbert space $X$ and $P:C\rightarrow C$ a nonexpansive operator so that its fixed point set $S$ is nonempty. Given a sequence of positive real numbers $\varepsilon_{n}\rightarrow 0$ and a contraction $\pi:C\rightarrow C,$ the sequence $x_{n}\in C$ given by the unique fixed point in $C$ of the contraction $\frac{1}{1+\varepsilon_{n}}P+\frac{\varepsilon_{n}} {1+\varepsilon_{n}}\pi$ strongly converges to the unique fixed point in $S$ of the operator proj$_{S}\circ\pi.$ Applications are given to viscosity principles for optimization problems and inclusions for monotone operators.
[M.-C.Anisiu (Cluj-Napoca)]

MSC 2000:: *47H10 Fixed point theorems for nonlinear operators on topol.linear spaces
47H09 Mappings defined by "shrinking" properties
49J40 Variational methods including variational inequalities

Keywords: nonexpansive mappings; fixed point approximation; contraction; viscosity principles for optimization problems; inclusions for monotone operators

Cited in: Zbl 1235.49055 Zbl 1189.47064 Zbl 1167.65029 Zbl 1189.47071 Zbl 1125.47046 Zbl 1121.47055 Zbl 1111.47059 Zbl 1061.47060

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