Convergence Comparison of Several Iteration Algorithms for the Common Fixed Point Problems

We discuss the following viscosity approximations with the weak contraction A for a non-expansive mapping sequence {Tn}, yn=αnAyn+(1−αn)Tnyn, xn+1=αnAxn+(1−αn)Tnxn. We prove that Browder's and Halpern's type convergenc...

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Autores principales: Yisheng Song, Xiao Liu
Formato: article
Lenguaje:EN
Publicado: SpringerOpen 2009
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Acceso en línea:https://doaj.org/article/9ff0d5a4efd9490997d30ed0e4d118bd
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Sumario:We discuss the following viscosity approximations with the weak contraction A for a non-expansive mapping sequence {Tn}, yn=αnAyn+(1−αn)Tnyn, xn+1=αnAxn+(1−αn)Tnxn. We prove that Browder's and Halpern's type convergence theorems imply Moudafi's viscosity approximations with the weak contraction, and give the estimate of convergence rate between Halpern's type iteration and Mouda's viscosity approximations with the weak contraction.