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Best and coupled best approximation theorems in abstract convex metric spaces |
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| Authors: | A Amini-Harandi |
| Institution: | |
| Abstract: | In this paper, we first give a best approximation theorem in abstract convex metric spaces. As applications, we then derive some best and coupled best approximations and coupled coincidence point results in normed spaces and hyperconvex metric spaces. |
| Keywords: | Best approximation Coupled best approximation Abstract convex metric space Hyperconvex metric space Normed space Coupled coincidence point KKM property |
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