ASYMPTOTIC BEHAVIOR FOR COMMUTATIVE SEMIGROUPS OF ALMOST ASYMPTOTICALLY NONEXPANSIVE TYPE MAPPINGS

被引：0
|
作者：
曾六川
机构：
[1] China
[2] Department of Mathematics Shanghai Normal University Shanghai 200234
来源：
Acta Mathematica Scientia | 2006年 / 02期
关键词：
Semitopological semigroup; almost asymptotically nonexpansive type mapping; almost orbit; asymptotic behavior;
D O I：
暂无
中图分类号：
O152 [群论];
学科分类号：
070104 ;
摘要：
This article introduces the concept of commutative semigroups of almost asymptotically nonexpansive-type mappings in a Banach space X which has the Opial property and whose norm is UKK, and establishes the weak convergence theorems for almost-orbits of this class of commutative semigroups. The author improves, extends and develops some recent and earlier results.
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页码：246 / 254
页数：9
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