Φ-压缩映象的公共不动点定理 |
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引用本文: | 张树义,宋晓光,栾丹.Φ-压缩映象的公共不动点定理[J].吉林林学院学报,2014(2):167-173. |
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作者姓名: | 张树义 宋晓光 栾丹 |
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作者单位: | 渤海大学数理学院,辽宁锦州121013 |
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基金项目: | 国家自然科学基金项目(11371070). |
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摘 要: | 引入压缩尺度函数,利用映象对相容和次相容的条件,讨论了完备度量空间中的一类更广泛的Ф-压缩映象的公共不动点的存在性与唯一性,得到了新的公共不动点定理,从而在很大程度上改进和推广了已有文献的结果.
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关 键 词: | 压缩尺度函数 完备度量空间 相容映象对 次相容映象对 Ф-压缩映象 公共不动点 |
Common Fixed Point for Ф-Contraction Mapping |
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Authors: | ZHANG Shu-yi SONG Xiao-guang LUAN Dan |
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Institution: | ( School of Mathematics and Physics, Bohai University, Jinzhou 121013, China) |
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Abstract: | By introducing the concept of contractive gauge function, the existence of common fixed point for this class of Ф-contractive type mappings in complete metric space are studied by using compatible and subcompatible mapping, a common fixed point theorem for contractive type mappings is obtained, which largely improve and extend the corresponding results in some references. |
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Keywords: | contractive gauge function complete metric space compatible mapping pair subcompatible mapping pair Ф-contractive type mappings common fixed point |
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