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Nonlinear Analysis
Article . 2007 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
zbMATH Open
Article . 2007
Data sources: zbMATH Open
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Coincidence points, generalized -nonexpansive multimaps, and applications

Coincidence points, generalized I-nonexpansive multimaps, and applications
Authors: Al-Thagafi, M. A.; Shahzad, Naseer;

Coincidence points, generalized -nonexpansive multimaps, and applications

Abstract

Let \((D,d)\) be a metric space, \(CL(D)\) the family of all nonempty closed subsets of \(D\) endowed with the generalized Hausdorff metric \(H\), \(I:D\to D\) and \(T:D\to CL(D)\). In the first part of the paper, the authors study the existence of coincidence points and common fixed points of the pair \((I,T)\). They assume that \(T\) satisfies \(I\)-contractive or \(I\)-nonexpansive type conditions, e.g., \(H(Tx,Ty)\leq k\,\max \{d(Ix,Iy),\delta (Ix,Tx),\delta (Iy,Ty),\frac{1}{2} [\delta (Ix,Ty)+ \delta (Iy,Tx)]\}\) for all \(x,y\in D\) and some \(k\in [0,1)\), where \(\delta \) is the distance function in \(D\). Next, as an application, they obtain some invariant approximation results. In the final part, they present random analogous of these theorems.

Related Organizations
Keywords

random invariant approximation, Fixed-point and coincidence theorems (topological aspects), invariant approximation, Fixed-point theorems, Abstract approximation theory (approximation in normed linear spaces and other abstract spaces), coincidence point, I-nonexpansive map, Random nonlinear operators, Contraction-type mappings, nonexpansive mappings, \(A\)-proper mappings, etc., random coincidence point, Set-valued maps in general topology, random operator

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
9
Average
Top 10%
Average
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