Coupled Fixed Point Theorems for Weak Contraction Mappings underF -Invariant Set
Author(s) -
Wutiphol Sintunavarat,
Yeol Je Cho,
Poom Kumam
Publication year - 2012
Publication title -
abstract and applied analysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.228
H-Index - 56
eISSN - 1687-0409
pISSN - 1085-3375
DOI - 10.1155/2012/324874
Subject(s) - mathematics , monotone polygon , contraction (grammar) , fixed point , invariant (physics) , fixed point theorem , discrete mathematics , contraction mapping , monotonic function , mathematical analysis , medicine , geometry , mathematical physics
We extend the recent results of the coupled fixed point theorems of Cho et al. (2012) by weakening the concept of the mixed monotone property. We also give some examples of a nonlinear contraction mapping, which is not applied to the existence of the coupled fixed point by the results of Cho et al. but can be applied to our results. The main results extend and unify the results of Cho et al. and many results of the coupled fixed point theorems
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