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实线性锥距离空间和不动点定理 被引量:2

Real Vector Cone Metric Space and Fixed Point Theorems
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摘要 给出了实线性锥距离空间的概念,其中锥距离取值到没有拓扑结构的实线性空间,并在实线性锥距离空间中建立了几个新的不动点定理.利用非线性标量化函数证明了这些不动点定理与距离空间中相应形式的不动点定理等价.我们的结果改进了锥距离空间中的一些现有不动点定理. We introduce real vector cone metric spaces, where cone metric is the mapping on a real vector space without topological structures. We also prove some new fixed point theorems in real vector cone metric spaces. By using nonlinear scalarization functions, we establish the equivalence between these and some other fixed point results in metric and in real vector cone metric spaces. Our results improve and generalize some results from the literature.
作者 贺飞 丘京辉
出处 《数学学报(中文版)》 SCIE CSCD 北大核心 2014年第1期171-180,共10页 Acta Mathematica Sinica:Chinese Series
基金 国家自然科学基金资助项目(10871141) 内蒙古自治区高等学校科学研究项目(NJZZ13019)
关键词 不动点定理 距离空间 实线性锥距离空间 fixed point theorem metric space real vector cone metric space
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