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Δ-convergence for proximal point algorithm and fixed point problem in CAT(0) spaces
Fixed Point Theory and Applications Pub Date : 2019-05-08 , DOI: 10.1186/s13663-019-0658-3
Shamshad Husain , Nisha Singh

In this paper, we prove the Δ-convergence of a modified proximal point algorithm for common fixed points in a CAT(0) space for different classes of generalized nonexpansive mappings including a total asymptotically nonexpansive mapping, a multivalued mapping, and a minimizer of a convex function. The results in this paper generalize the corresponding results given by some authors. Moreover, numerical example is given to illustrate and show the Δ-convergence of the proposed algorithm for supporting our result.

中文翻译:

CAT(0)空间中近点算法和不动点问题的Δ收敛

在本文中,我们证明了CAT(0)空间中公共不动点的改进近点算法的Δ收敛性,适用于不同类别的广义非膨胀映射,包括总渐近非膨胀映射,多值映射和a的最小化凸函数。本文的结果概括了一些作者给出的相应结果。此外,给出了数值示例,以说明和显示所提出算法的Δ收敛性以支持我们的结果。
更新日期:2019-05-08
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