Convergence Criteria of Viscosity Common Fixed Point Iterative Process for Asymptotically Nonexpansive Nonself Mappings in Banach Spaces

被引:0
|
作者
Ayaragarnchanakul, Jantana [1 ,2 ]
机构
[1] Prince Songkla Univ, Fac Sci, Dept Math, Hat Yai 10400, Songkla, Thailand
[2] CHE, Ctr Excellence Math, Bangkok 10400, Thailand
来源
THAI JOURNAL OF MATHEMATICS | 2011年 / 9卷 / 02期
关键词
Asymptotically nonexpansive mapping; Nonexpansive retraction; Banach space; Common fixed point;
D O I
暂无
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Let X be a real arbitrary Banach space and let C be a nonempty closed convex nonexpansive retract of X with P as a nonexpansive retraction. For i=1,2, let T-i: C -> X be an asymptotically nonexpansive nonself mapping such that F (T-1) boolean AND F(T-2) not equal empty set in C -> Let f:C -> C be a contractive mapping and let {alpha(n)} and {beta(n)} be real sequences in [0,1]. Define {x(n)} and {y(n)} to be the iterative sequences y(n) = P(alpha(n)f(x(n)) + (1 - alpha(n)) (beta(n)x(n) + (1 - beta(n)) T-2 (PT2)(n-1)x(n)), x(n+n) = P(gamma(n)f(y(n)) + (1- gamma(n)) (delta(n)y(n) + (1-delta(n))T-1(PT1)(n-1)y(n))), n >= 1. Some strong convergence theorems of the sequence {x(n)} to a common fixed point of T-1 and T-2 are established under appropriate conditions.
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页码:429 / 438
页数:10
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