Global iteration schemes for strongly pseudo-contractive maps

被引:52
作者
Chidume, CE [1 ]
机构
[1] Int Ctr Theoret Phys, I-34100 Trieste, Italy
关键词
strong pseudocontractions; accretive operators; uniformly smooth Banach spaces; duality map;
D O I
10.1090/S0002-9939-98-04322-6
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Suppose E is a real uniformly smooth Banach space, K is a nonempty closed convex and bounded subset of E, and T : K --> K is a strong pseudo-contraction. It is proved that if T has a fixed point in K then both the Mann and the Ishikawa iteration processes, for an arbitrary initial vector in K: converge strongly to the unique fixed T. No continuity assumption is necessary for this convergence. Moreover, our iteration parameters are independent of the geometry of the underlying Banach space and of any property of the operator.
引用
收藏
页码:2641 / 2649
页数:9
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