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New iterative schemes for strongly relatively nonexpansive mappings and maximal monotone operators
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作者 WEI Li SU Yong-fu ZHOU Hai-yun 《Applied Mathematics(A Journal of Chinese Universities)》 SCIE CSCD 2010年第2期199-208,共10页
In this paper, some new iterative schemes for approximating the common element of the set of fixed points of strongly relatively nonexpansive mappings and the set of zero points of maximal monotone operators in a real... In this paper, some new iterative schemes for approximating the common element of the set of fixed points of strongly relatively nonexpansive mappings and the set of zero points of maximal monotone operators in a real uniformly smooth and uniformly convex Banach space are proposed. Some weak convergence theorems are obtained, which extend and complement some previous work. 展开更多
关键词 strongly relatively nonexpansive mapping maximal monotone operator zero point fixed point weak convergence.
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Iterative convergence theorems for maximal monotone operators and relatively nonexpansive mappings 被引量:5
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作者 WEI Li SU Yong-fu ZHOU Hai-yun 《Applied Mathematics(A Journal of Chinese Universities)》 SCIE CSCD 2008年第3期319-325,共7页
In this paper, some iterative schemes for approximating the common element of the set of zero points of maximal monotone operators and the set of fixed points of relatively nonexpansive mappings in a real uniformly sm... In this paper, some iterative schemes for approximating the common element of the set of zero points of maximal monotone operators and the set of fixed points of relatively nonexpansive mappings in a real uniformly smooth and uniformly convex Banach space are proposed. Some strong convergence theorems are obtained, to extend the previous work. 展开更多
关键词 maximal monotone operator relatively nonexpansive mapping strong convergence zero point fixed point
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Iterative Convergence Theorems for Maximal Monotone Operators and Nonexpansive Mappings and Their Applications
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作者 WEI Li ZHOU Hai Yun 《Journal of Mathematical Research and Exposition》 CSCD 2009年第2期283-292,共10页
In this paper, two iterative schemes for approximating common element of the set of zero points of maximal monotone operators and the set of fixed points of a kind of generalized nonexpansive mappings in a real unifor... In this paper, two iterative schemes for approximating common element of the set of zero points of maximal monotone operators and the set of fixed points of a kind of generalized nonexpansive mappings in a real uniformly smooth and uniformly convex Banach space are proposed. Two strong convergence theorems are obtained and their applications on finding the minimizer of a kind of convex functional are discussed, which extend some previous work. 展开更多
关键词 极大单调算子 非扩展映射 迭代收敛定理 应用
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A Weak Convergence Theorem for Equilibrium Problems,Variational Inequalities and Fixed Point Problems in 2-Uniformly Convex Banach Spaces
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作者 Li WEI Rui Lin TAN Hai Yun ZHOU 《Journal of Mathematical Research and Exposition》 CSCD 2011年第3期551-561,共11页
In this paper,we introduce a new iterative scheme for finding the common element of the set of solutions of an equilibrium problem,the set of solutions of variational inequalities for an α-inversely strongly monotone... In this paper,we introduce a new iterative scheme for finding the common element of the set of solutions of an equilibrium problem,the set of solutions of variational inequalities for an α-inversely strongly monotone operator and the set of fixed points of relatively nonexpansive mappings in a real uniformly smooth and 2-uniformly convex Banach space.Some weak convergence theorems are obtained,to extend the previous work. 展开更多
关键词 relatively nonexpansive mapping α-inversely strongly monotone operator equilibrium problem variational inequality weak convergence fixed point.
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Banach空间中均衡问题和弱相对非扩展映射的强收敛定理及其应用(英文) 被引量:1
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作者 魏利 谭瑞林 周海云 《应用数学》 CSCD 北大核心 2010年第4期758-766,共9页
本文在Banach空间中设计了一些新的杂交迭代算法用以逼近一类均衡问题解集和弱相对非扩展映射不动点集或极大单调算子零点集的公共元.得到了一些强收敛的结论,并将它们推广到逼近一类均衡问题解集和有限个弱相对非扩展映射公共不动点集... 本文在Banach空间中设计了一些新的杂交迭代算法用以逼近一类均衡问题解集和弱相对非扩展映射不动点集或极大单调算子零点集的公共元.得到了一些强收敛的结论,并将它们推广到逼近一类均衡问题解集和有限个弱相对非扩展映射公共不动点集或有限个极大单调算子公共零点集的公共元的情形.最后,展示了本文的迭代算法在最优化问题上的应用. 展开更多
关键词 弱相对非扩展映射 不动点 零点 极大单调算子 均衡问题
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相对非扩展映射不动点的修正杂交迭代算法及其应用(英文) 被引量:1
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作者 魏利 周海云 《应用数学》 CSCD 北大核心 2009年第3期624-630,共7页
在实一致凸、一致光滑Banach空间中,提出了新的修正杂交迭代算法,用以逼近相对非扩展映射的不动点.证明了一些强收敛定理,并讨论了迭代算法在逼近极大单调算子零点上的应用,推进了以往的研究成果.
关键词 相对非扩展映射 极大单调算子 强收敛 零点 不动点
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邻近点CQ法的强收敛性
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作者 李强 冯世强 《四川理工学院学报(自然科学版)》 CAS 2012年第6期92-95,共4页
讨论了邻近点(PPA)问题的迭代逼近,采用CQ法证明了把Mann迭代和近似迭代算法揉合在一起构成的新迭代序列,在一定的假设条件下强收敛,推广和改进了其它文献中的证明方法。
关键词 PPA 强收敛 CQ法 非扩张映射 极大单调算子
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弱相对非扩张映像不动点单调CQ算法与应用(英文)
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作者 苏永福 高俊宇 周海云 《Journal of Mathematical Research and Exposition》 CSCD 北大核心 2008年第4期957-967,共11页
Matsushita, Takahashi[4] proved a strong convergence theorem for relatively nonex- pansive mappings in a Banach space by using the hybrid method (CQ method) in mathematical programming. The purpose of this paper is to... Matsushita, Takahashi[4] proved a strong convergence theorem for relatively nonex- pansive mappings in a Banach space by using the hybrid method (CQ method) in mathematical programming. The purpose of this paper is to modify the hybrid method of Matsushita, Taka- hashi by monotone CQ method, and to prove strong convergence theorems for weak relatively nonexpansive mappings and maximal monotone operators in Banach spaces. The convergence rate of monotone CQ method is faster than the hybrid method of Matsushita, Takahashi. In addition, the Cauchy sequence method is used in this paper without using the Kadec-Klee prop- erty. The results of this paper modify and improve the results of Matsushita, Takahashi and some others. 展开更多
关键词 weak relatively nonexpansive mapping generalized projection asymptotic fixed point monotone CQ method maximal monotone operator.
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极大单调算子和相对非扩展映射的修正杂交迭代算法
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作者 魏利 周海云 《系统科学与数学》 CSCD 北大核心 2010年第5期642-649,共8页
在实一致光滑、一致凸Banach空间中提出了两种修正杂交迭代算法,证明了迭代序列既强收敛到极大单调算子的零点,又强收敛到非扩展映射的不动点的结论.推广和补充了以往的研究工作.
关键词 极大单调算子 相对非扩展映射 强收敛 不动点 零点.
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