Approximation of Fixed Point and Solution for φ-Hemicontraction and φ-Strongly Quasi-Accretive Operator without Lipschitz Assumption
Received:October 11, 1999  
Key Words: φ-strong pseudocontraction   φ-strongly accretive operator   Ishikawa iteration process   Reich's inequality.  
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Author NameAffiliation
ZHOU Hai-yun Dept. of Math.
Shijiazhuang Mechanical Engineering College
Hebei
China 
ZHAO Lie-ji Dept. of Math.
Gyeongsang National University
Chinju 660-701
Korea 
QUO Jin-ti Dept. of Math.
Huabei Petroleum Education College
Renqiu
China 
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Abstract:
      Let X be a real uniformly smooth Banach space and let T:D(T)?X→X be φ-hemicontractive and locally bounded at its fixed point q∈F(T).Under somesuitable assumptions on the iteration parameters {αn}and{βn},we have proved thatthe Mann and Ishikawa iteration processes for T converge strongly to the unique fixedpoint q of T.Several related results deal with iterative solutions of nonlinear equationsinvolving φ-strongly quasi-accretive operators.Our results extend and generalize thosecorresponding ones by Xu and Roach, Zhou and Jia and others.
Citation:
DOI:10.3770/j.issn:1000-341X.2003.01.007
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