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Strong convergence of approximated sequences for nonexpansive mappings in Banach spaces
Authors:Naoki Shioji  Wataru Takahashi
Institution:Faculty of Engineering, Tamagawa University, Tamagawa-Gakuen, Machida, Tokyo 194, Japan ; Department of Information Science, Tokyo Institute of Technology, Oh-okayama, Meguro-ku, Tokyo 152, Japan
Abstract:In this paper, we study the convergence of the sequence defined by

\begin{displaymath}% x_0\in C ,  x_{n+1} = \alpha _{n}x + (1-\alpha _{n})Tx_n ,  n=0,1,2, \ldots,\end{displaymath}

where $0 \leq \alpha _n \leq 1$ and $T$ is a nonexpansive mapping from a closed convex subset of a Banach space into itself.

Keywords:Nonexpansive mappings  strong convergence  Banach limits  iteration
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