Fixed-point theorems in fuzzy real line

Some sufficient conditions for the existence of fixed points of increasing operators in fuzzy real line R L are given. We also establish some coupled quasi-fixed-point theorems of mixed monotone operators in fuzzy real line R L.

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Bibliographic Details
Published in:Computers & mathematics with applications (1987) 2004-03, Vol.47 (6), p.845-851
Main Authors: Chang, Jung-Chan, Chen, Hsinjung, Shyu, Shih-Min, Lian, Wei-Cheng
Format: Article
Language:English
Subjects:
Condensing operator
Coupled quasi fixed point
Fixed point
Fuzzy real line
Mixed monotone operator
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Description
Summary:Some sufficient conditions for the existence of fixed points of increasing operators in fuzzy real line R L are given. We also establish some coupled quasi-fixed-point theorems of mixed monotone operators in fuzzy real line R L.
ISSN:0898-1221
1873-7668
DOI:10.1016/S0898-1221(04)90068-5