Оn a proximal point algorithm for solving minimization problem and common fixed point problem in CAT($k$) spaces
UDC 517.9 We propose a new modified proximal point algorithm in the setting of CAT(1) spaces, which can be used for solving the minimization problem and the  common fixed-point problem.  In addition, we prove several convergence results for the pro...
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| Date: | 2023 |
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| Main Authors: | , |
| Format: | Article |
| Language: | English |
| Published: |
Institute of Mathematics, NAS of Ukraine
2023
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| Online Access: | https://umj.imath.kiev.ua/index.php/umj/article/view/6770 |
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| Journal Title: | Ukrains’kyi Matematychnyi Zhurnal |
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Ukrains’kyi Matematychnyi Zhurnal| Summary: | UDC 517.9
We propose a new modified proximal point algorithm in the setting of CAT(1) spaces, which can be used for solving the minimization problem and the  common fixed-point problem.  In addition, we prove several convergence results for the proposed algorithm under certain mild conditions.  Further, we provide some applications for the convex minimization problem and the fixed point problem in the CAT($k$) spaces with a bounded positive real number $k$.  In the process, several relevant results available in the existing literature are generalized and improved. |
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| DOI: | 10.37863/umzh.v75i2.6770 |