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Convergence Theorems of Mann and Ishikawa Iterative Processes with Errors for Multivalued Φ-strongly Accretive Mapping
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作者 张国伟 《Northeastern Mathematical Journal》 CSCD 2003年第2期174-180,共7页
Let X be a real Banach space and A : X→ 2x a bounded uniformly continuous Φ-strongly accretive multivalued mapping. For any f ∈ X, Mann and Ishikawa iterative processes with errors converge strongly to the unique s... Let X be a real Banach space and A : X→ 2x a bounded uniformly continuous Φ-strongly accretive multivalued mapping. For any f ∈ X, Mann and Ishikawa iterative processes with errors converge strongly to the unique solution of Ax (?) f. The conclusion in this paper weakens the stronger conditions about errors in Chidume and Moore's theorem (J. Math. Anal. Appl, 245(2000), 142-160). 展开更多
关键词 Mann and Ishikawa iteration φ-strongly accretive mapping conver-gence theorem
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ITERATIVE APPROXIMATIONS OF φ-HEMICONTRACTIVEMAPPINGS WITHOUT LIPSCHITZ ASSUMPTION
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作者 黄震宇 《Numerical Mathematics A Journal of Chinese Universities(English Series)》 SCIE 2000年第2期193-203,共11页
Letq>1,and let E be a real q-uniformly smooth Banach space. Let T: E→E be a continuous φstrongly accretive operator.For a given f E,let x*denote the unique solution of the equation Tx=f.Define the operator H:E→E... Letq>1,and let E be a real q-uniformly smooth Banach space. Let T: E→E be a continuous φstrongly accretive operator.For a given f E,let x*denote the unique solution of the equation Tx=f.Define the operator H:E→E by Hx=f+x-Tx,and suppose that the range of H is bounded. for any x1 E let {xn}∞n=qin E be the Ishikawa iterative process defined by Under suitable comditions,the Ishikawa iterative process strongly converges to the unique solution of Tx=f.the related result deals with the problems that Ishikawa iterative process strongly converges to the unique fixed point of -hemicontractive mappings.These results generalize results of Osilike [2],Chidume[4,5]and Tan[10],Zeng[11]and several other results from the class of strongly assertive operators and the class of strongly pseudocontractive operators to the much more general class of -trongly accrtive and class of -hemicontractive maps. 展开更多
关键词 ISHIKAWA iteration process -hemicontractive mappingS -strongly ACCRETIVE q-uni- formly smooth BANACH spaces
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q一致光滑Banach空间中带误差项的Mann迭代过程
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作者 吕桂稳 薛志群 李向红 《石家庄铁道学院学报》 2006年第3期40-42,47,共4页
在q一致光滑实Banach空间中,给出了一类非Lipschitz,非值域有界的Φ-强增生算子带误差项Mann迭代序列的收敛定理,该结果概括了目前一些相关结果。
关键词 q一致光滑空间 Φ-强增生映射 Φ-强伪压缩映射 带误差项的Mann迭代序列
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Generalized Strongly Nonlinear Quasi-Complementarity Problems 被引量:2
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作者 李红梅 丁协平 《Applied Mathematics and Mechanics(English Edition)》 SCIE EI 1994年第4期307-315,共9页
Using the algorithm in this paper, we prove the existence of solutions to the gene-ralized strongly nonlinear quasi-complementarity problems and the convergence of theiterative sequences generated by the algorithm. Ou... Using the algorithm in this paper, we prove the existence of solutions to the gene-ralized strongly nonlinear quasi-complementarity problems and the convergence of theiterative sequences generated by the algorithm. Our results improve and extend thecorresponding results of Noor and Chang-Huang. Moreover, a more general iterativealgorithm for finding the approximate solution of generalized strongly nonlinear quasi-complementarity problems is also given. It is shown that the approximate solution ob-tained by the iterative scheme converges to the exact solution of this quasi-com-plementarity problem. 展开更多
关键词 generalized strongly nonlinear quasi-complementarity problem Hilbert space cone. H-Lipschitz continuous mapping with re-spect to g ψ-strongly monotone mapping with respect to g
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