Hybrid viscosity approximation schemes for equilibrium problems and fixed point problems of infinitely many nonexpansive mappings

Hybrid viscosity approximation schemes for equilibrium problems and fixed point problems of infinitely many nonexpansive mappings
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无限多个非扩张映射的平衡问题和不动点问题的混合粘度近似方案

DOI:
10.1016/j.amc.2007.09.011
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发表时间:
2008-05
期刊:
Appl. Math. Comput.
影响因子:
--
通讯作者:
曾六川
曾六川
中科院分区:
其他
文献类型:
--
作者:
曾六川

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最近,高桥和高桥[S. Takahashi,W. Takahashi,希尔伯特空间中平衡问题和不动点问题的粘度近似方法,J. Math。肛门。 Appl., 2006, doi:10.1016/j.jmaa.2006.08.036]提出并分析了一种通过粘度近似方法的迭代方案,用于寻找平衡问题的解集和希尔伯特空间中非扩张映射的不动点集的公共元素。在本文中,我们通过粘性近似方法引入了一种新的迭代方案,用于寻找平衡问题的解集的公共元素以及希尔伯特空间中无限多个非扩张映射的公共不动点集。然后,我们证明了一个强收敛定理,它是Takahashi和Takahashi(2006)相应结果的改进和扩展。利用这个定理,我们得到两个推论,改进和扩展了相应的结果。
Recently, Takahashi and Takahashi [S. Takahashi, W. Takahashi, Viscosity approximation methods for equilibrium problems and fixed point problems in Hilbert spaces, J. Math. Anal. Appl., 2006, doi:10.1016/j.jmaa.2006.08.036] suggested and analyzed an iterative scheme by the viscosity approximation method for finding a common element of the set of solutions of an equilibrium problem and the set of fixed points of a nonexpansive mapping in a Hilbert space. In this paper, we introduce a new iterative scheme by the viscosity approximation method for finding a common element of the set of solutions of an equilibrium problem and the set of common fixed points of infinitely many nonexpansive mappings in a Hilbert space. Then, we prove a strong convergence theorem which is the improvements and extension of Takahashi and Takahashi’s (2006) corresponding result. Using this theorem, we obtain two corollaries which improve and extend their corresponding results.
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