A Note on "Implicit Mann Fixed Point Iterations for Pseudo-Contractive Mappings"

2011 ◽  
Vol 393-395 ◽  
pp. 543-545
Author(s):  
Hong Jun Li ◽  
Yong Fu Su

Ljubomir Ciric, Arif Rafiq, Nenad Cakic, Jeong Sheok Umed [ Implicit Mann fixed point iterations for pseudo-contractive mappings, Applied Mathematics Letters 22 (2009) 581-584] introduced and investigated a modified Mann implicit iteration process for continuous hemi-contractive map. They proved the relatively convergence theorem. However, the content of mann theorem is fuzzy. In this paper, we will give some comments . Let be a Banach space and be a nonempty subset of . A mapping is called hemi-contractive (see [1]) if and In [1], the authors introduced and investigated a modified Mann implicit iteration process for continuous hemi-contractive map. They proved the following convergence theorem.

2012 ◽  
Vol 21 (2) ◽  
pp. 197-201
Author(s):  
ARIF RAFIQ ◽  
◽  
ANA MARIA ACU ◽  

The purpose of this paper is to establish the strong convergence of an implicit iteration process to a common fixed point for two continuous strongly pseudocontractive mappings.


Author(s):  
Lili He ◽  
Lei Deng ◽  
Jianjun Liu

LetCbe a nonempty closed and convex subset of a Hilbert spaceH, letTandS:C→Cbe two commutative generalized asymptotically nonexpansive mappings. We introduce an implicit iteration process ofSandTdefined byxn=αnx0+(1−αn)(2/((n+1)(n+2)))∑k=0n∑i+j=kSiTjxn, and then prove that{xn}converges strongly to a common fixed point ofSandT. The results generalize and unify the corresponding results.


Author(s):  
Arif Rafiq

The purpose of this note is to establish a strong convergence of a modified implicit iteration process to a common fixed point for a finite family ofZ-operators.


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