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Convergence of paths for pseudo-contractive mappings in Banach spaces
Authors:Claudio H. Morales   Jong Soo Jung
Affiliation:Department of Mathematics, University of Alabama, Huntsville, Alabama 35899 ; Department of Mathematics, Dong-A University, Pusan 604-714, Korea
Abstract:

Let $X$ be a real Banach space, let $K$ be a closed convex subset of $X$, and let $T$, from $K$ into $X$, be a pseudo-contractive mapping (i.e. $(lambda-1)$ $Vert u-vVertleVert(lambda I-T)(u)-(lambda I-T)(v)Vert$ for all $u,vin K$and $lambda>1)$. Suppose the space $X$ has a uniformly Gâteaux differentiable norm, such that every closed bounded convex subset of $K$enjoys the Fixed Point Property for nonexpansive self-mappings. Then the path $tto x_tin K$, $tin[0,1)$, defined by the equation $x_t=tTx_t+(1-t)x_0$ is continuous and strongly converges to a fixed point of $T$ as $tto 1^-$, provided that $T$ satisfies the weakly inward condition.

Keywords:Pseudo-contractive mappings, uniformly Gâ  teaux differentiable norm.
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