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FIBONACCI–MANN ITERATION FOR MONOTONE ASYMPTOTICALLY NONEXPANSIVE MAPPINGS
- Part of
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- Journal:
- Bulletin of the Australian Mathematical Society / Volume 96 / Issue 2 / October 2017
- Published online by Cambridge University Press:
- 13 March 2017, pp. 307-316
- Print publication:
- October 2017
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- Article
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We extend the results of Schu [‘Iterative construction of fixed points of asymptotically nonexpansive mappings’, J. Math. Anal. Appl.158 (1991), 407–413] to monotone asymptotically nonexpansive mappings by means of the Fibonacci–Mann iteration process
where
$$\begin{eqnarray}x_{n+1}=t_{n}T^{f(n)}(x_{n})+(1-t_{n})x_{n},\quad n\in \mathbb{N},\end{eqnarray}$$
$T$ is a monotone asymptotically nonexpansive self-mapping defined on a closed bounded and nonempty convex subset of a uniformly convex Banach space and 
$\{f(n)\}$ is the Fibonacci integer sequence. We obtain a weak convergence result in 
$L_{p}([0,1])$, with 
$1<p<+\infty$, using a property similar to the weak Opial condition satisfied by monotone sequences.
