Tripled Coincidence Point Theorems for Nonlinear Contractions in Partially Ordered Metric Spaces

Tripled fixed points are extensions of the idea of coupled fixed points introduced in a recent paper by Berinde and Borcut, 2011. Here using a separate methodology we extend this result to a triple coincidence point theorem in partially ordered metric spaces. We have defined several concepts pertain...

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Main Authors: Binayak S. Choudhury, Erdal Karapınar, Amaresh Kundu
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:International Journal of Mathematics and Mathematical Sciences
Online Access:http://dx.doi.org/10.1155/2012/329298
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author Binayak S. Choudhury
Erdal Karapınar
Amaresh Kundu
author_facet Binayak S. Choudhury
Erdal Karapınar
Amaresh Kundu
author_sort Binayak S. Choudhury
collection DOAJ
description Tripled fixed points are extensions of the idea of coupled fixed points introduced in a recent paper by Berinde and Borcut, 2011. Here using a separate methodology we extend this result to a triple coincidence point theorem in partially ordered metric spaces. We have defined several concepts pertaining to our results. The main results have several corollaries and an illustrative example. The example shows that the extension proved here is actual and also the main theorem properly contains all its corollaries.
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institution Kabale University
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series International Journal of Mathematics and Mathematical Sciences
spelling doaj-art-4d3c23600df343f68a8a77238bea2d322025-02-03T05:59:19ZengWileyInternational Journal of Mathematics and Mathematical Sciences0161-17121687-04252012-01-01201210.1155/2012/329298329298Tripled Coincidence Point Theorems for Nonlinear Contractions in Partially Ordered Metric SpacesBinayak S. Choudhury0Erdal Karapınar1Amaresh Kundu2Department of Mathematics, Bengal Engineering and Science University, Shibpur, Howrah 711103, IndiaDepartment of Mathematics, Atilim University, İncek 06836, Ankara, TurkeyDepartment of Mathematics, Siliguri Institute of Technology, Darjeeling 734009, IndiaTripled fixed points are extensions of the idea of coupled fixed points introduced in a recent paper by Berinde and Borcut, 2011. Here using a separate methodology we extend this result to a triple coincidence point theorem in partially ordered metric spaces. We have defined several concepts pertaining to our results. The main results have several corollaries and an illustrative example. The example shows that the extension proved here is actual and also the main theorem properly contains all its corollaries.http://dx.doi.org/10.1155/2012/329298
spellingShingle Binayak S. Choudhury
Erdal Karapınar
Amaresh Kundu
Tripled Coincidence Point Theorems for Nonlinear Contractions in Partially Ordered Metric Spaces
International Journal of Mathematics and Mathematical Sciences
title Tripled Coincidence Point Theorems for Nonlinear Contractions in Partially Ordered Metric Spaces
title_full Tripled Coincidence Point Theorems for Nonlinear Contractions in Partially Ordered Metric Spaces
title_fullStr Tripled Coincidence Point Theorems for Nonlinear Contractions in Partially Ordered Metric Spaces
title_full_unstemmed Tripled Coincidence Point Theorems for Nonlinear Contractions in Partially Ordered Metric Spaces
title_short Tripled Coincidence Point Theorems for Nonlinear Contractions in Partially Ordered Metric Spaces
title_sort tripled coincidence point theorems for nonlinear contractions in partially ordered metric spaces
url http://dx.doi.org/10.1155/2012/329298
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AT erdalkarapınar tripledcoincidencepointtheoremsfornonlinearcontractionsinpartiallyorderedmetricspaces
AT amareshkundu tripledcoincidencepointtheoremsfornonlinearcontractionsinpartiallyorderedmetricspaces