In this paper, we prove that if $K$ is a nonempty weakly compact set in a Banach space $X$ , $T:K\to K$ is a nonexpansive map satisfying $\frac{x+Tx}{2}\in K$ for… Click to show full abstract
In this paper, we prove that if $K$ is a nonempty weakly compact set in a Banach space $X$ , $T:K\to K$ is a nonexpansive map satisfying $\frac{x+Tx}{2}\in K$ for all $x\in K$ and if $X$ is $3-$ uniformly convex or $X$ has the Opial property, then $T$ has a fixed point in $K.$
               
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