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Three fixed point theorems for generalized contractions with constants in complete metric spaces
Authors:Misako Kikkawa  Tomonari Suzuki
Institution:1. Department of Mathematics, Faculty of Science, Saitama University, 255 Shimo-Okubo, Sakura, Saitama 338-8570, Japan;2. Department of Mathematics, Kyushu Institute of Technology, Sensuicho, Tobata, Kitakyushu 804-8550, Japan
Abstract:We prove three fixed point theorems for generalized contractions with constants in complete metric spaces, which are generalizations of very recent fixed point theorems due to Suzuki. We also raise one problem concerning the constants.
Keywords:primary  54H25  secondary  54C60  54E50
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