Results 21 to 30 of about 12,408 (253)

Some remarks about the existence of coupled g-coincidence points [PDF]

open access: yesJournal of Inequalities and Applications, 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Erhan, İnci M   +2 more
openaire   +1 more source

Coupled and tripled coincidence point results without compatibility [PDF]

open access: yesFixed Point Theory and Applications, 2012
Abstract In this article, we introduce a new and simple approach to coupled and tripled coincidence point theory. By using our method, we establish coupled coincidence point results of Lakshmikantham and Ćirić, Binayak et al., Alotaibi and Alsulami without any type of commutativity condition on F and g.
Nawab Hussain   +2 more
openaire   +2 more sources

Asymptotically Coupled Coincidence Points and Asymptotically Coupled Fixed Points in Fuzzy Semi-Metric Spaces

open access: yesAxioms, 2022
Asymptotically coupled coincidence points and asymptotically coupled fixed points in fuzzy semi-metric spaces are studied in this paper. The fuzzy semi-metric space is taken into account, which lacks symmetric conditions. In this case, the desired results are separately investigated based on four different types of triangle inequalities. The uniqueness
openaire   +2 more sources

Remarks on some coupled coincidence point results in partially ordered metric spaces

open access: yesArab Journal of Mathematical Sciences, 2014
In this paper we have used a method of reducing coupled coincidence and coupled fixed point results in partially ordered metric spaces to the respective results for mappings with one variable, even obtaining (in some cases) more general theorems.
Stojan Radenović
doaj   +1 more source

Probabilistic $ (\omega, \gamma, \phi) $-contractions and coupled coincidence point results

open access: yesAIMS Mathematics, 2021
<abstract><p>In this paper, we introduce the notion of probabilistic $ (\omega, \gamma, \phi) $-contraction and establish the existence coupled coincidence points for mixed monotone operators subjected to the introduced contraction in the framework of ordered Menger $ PM $-spaces with Had${\rm{\mathord{\buildrel{\lower3pt\hbox ...
Jain, Manish   +3 more
openaire   +2 more sources

Coupled coincidence point and common coupled fixed point theorems lacking the mixed monotone property [PDF]

open access: yesFixed Point Theory and Applications, 2013
Abstract In this paper, we prove the coupled coincidence point theorems for a w ∗ -compatible mapping in partially ordered cone metric spaces over a solid cone without the mixed g-monotone property. In the case of a totally ordered
Ravi P. Agarwal   +2 more
openaire   +2 more sources

Remarks on ‘Coupled coincidence point results for a generalized compatible pair with applications’ [PDF]

open access: yesFixed Point Theory and Applications, 2014
Abstract Very recently, Hussain et al. (Fixed Point Theory Appl. 2014:62, 2014) announced the existence and uniqueness of some coupled coincidence point. In this short note we remark that the announced results can be derived from the coincidence point results in the literature. MSC: 47H10, 54H25.
Erhan, İnci   +3 more
openaire   +2 more sources

Remark on the system of nonlinear variational inclusions

open access: yesArab Journal of Mathematical Sciences, 2014
We prove the existence of a solution to the system of nonlinear variational inclusions problem. We provide examples of applications related to a coupled best approximations theorem for multivalued mappings and a multivalued coupled coincidence point.
Zoran D. Mitrović
doaj   +1 more source

New Existence Results and Generalizations for Coincidence Points and Fixed Points without Global Completeness

open access: yesAbstract and Applied Analysis, 2013
Some new existence theorems concerning approximate coincidence point property and approximate fixed point property for nonlinear maps in metric spaces without global completeness are established in this paper.
Wei-Shih Du
doaj   +1 more source

Coincidence point theorems for $\varphi$-$\psi$-contraction mappings in metric spaces involving a graph

open access: yesKarpatsʹkì Matematičnì Publìkacìï, 2016
Some new coupled coincidence and coupled common fixed point theorems for $\varphi$-$\psi$-contraction mappings are established. We have also an application to some integral system to support the results.
E. Yolacan, H. Kiziltunc, M. Kir
doaj   +1 more source

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