Results 111 to 120 of about 3,016 (161)

Nonlinear coupled fixed point theorems in ordered generalized metric spaces with integral type

open access: yes, 2012
In this article, we study coupled coincidence and coupled common fixed point theorems in ordered generalized metric spaces for nonlinear contraction condition related to a pair of altering distance functions.
Y. Cho   +4 more
semanticscholar   +1 more source

Existence of tripled coincidence points in ordered b-metric spaces and an application to a system of integral equations

open access: yes, 2013
In this paper, tripled coincidence points of mappings satisfying some nonlinear contractive conditions in the framework of partially ordered b-metric spaces are obtained. Our results extend the results of Berinde and Borcut (Nonlinear Anal. 74:4889-4897,
Vahid Parvaneh   +2 more
semanticscholar   +1 more source

Meir-Keeler ɑ-contractive fixed and common fixed point theorems

open access: yes, 2013
Generalized Meir-Keeler α-contractive functions and pairs are introduced and their fixed and common fixed point theorems are obtained. Also, the so-called generalized Meir-Keeler α-f-contractive maps commuting with f are introduced and their coincidence ...
T. Abdeljawad
semanticscholar   +1 more source

Some fixed point results on ultrametric spaces endowed with a graph

open access: yesDemonstratio Mathematica
The present article deals with new fixed point theorems by means of GG-strongly contractive maps. The research findings are demonstrated in a spherically complete ultrametric space with a graph for single-valued mappings. The special cases of the results
Acar Özlem   +2 more
doaj   +1 more source

Fixed point results for generalized convex orbital Lipschitz operators

open access: yesDemonstratio Mathematica
Krasnoselskii’s iteration is a classical and important method for approximating the fixed point of an operator that satisfies certain conditions. Many authors have used this approach to obtain several famous fixed point theorems for different types of ...
Zhou Mi   +4 more
doaj   +1 more source

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