A Generalization of Nadler's Fixed Point Theorem

被引:7
|
作者
Popescu, Ovidiu [1 ]
Stan, Gabriel [1 ]
机构
[1] Transilvania Univ Brasov, Dept Math, 50 Maniu Iuliu, Brasov 500091, Romania
关键词
Complete metric space; Nadler's theorem; Multi-valued mappings; MULTIVALUED CONTRACTION-MAPPINGS; METRIC-SPACES; MAPS;
D O I
10.1007/s00025-017-0694-4
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In the present paper, we generalize the well-known Nadler's fixed point theorem (Nadler in Pac J Math 30:475-488, 1969), and one of some Dhompongsa and Yingtaweesittikul type theorems for multi-valued operators, see (Dhompongsa and Yingtaweesittikul in Fixed Point Theory Appl, 2007). Also, we give an example showing that our result is a proper generalization of some previous theorems.
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页码:1525 / 1534
页数:10
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