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Article . 1999
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Kuratowski convergence on compacta and Hausdorff metric convergence on compacta

Authors: BRANDI, Primo; CEPPITELLI, Rita; Hola' L.;

Kuratowski convergence on compacta and Hausdorff metric convergence on compacta

Abstract

For metric spaces \((X,d_X)\) and \((Y,d_Y)\) let \(G\) be the space of all continuous functions from a closed subset of \(X\) to \(Y\). The following convergences in \(G\) are considered: Kuratowski convergence, \(\tau \)-convergence, Kuratowski convergence on compacta \(\tau ^c_K\), and Hausdorff convergence on compacta \(\tau ^c_H\). The definitions of these convergences are introduced in this paper and the equivalence of the following statements is proved: (a) \(X\) is locally compact, (b) the Kuratowski convergence and \(\tau ^c_K\)-convergence in \(G\) coincide, (c) \(\tau \)-convergence and \(\tau ^c_H\)-convergence in \(G\) coincide. The authors follow the paper of \textit{P. Piccione} and \textit{R. Sampalmieri} [Commentat. Math. Univ. Carol. 36, No. 3, 551-562 (1995; Zbl 0844.54010)], whose results they complete and improve. The topic of this article is going back to the area of functional differential equations.

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Italy
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Keywords

\(\tau \)-convergence, Function spaces in general topology, Hausdorff metric convergence on compacta, Kuratowski convergence on compacta, kuratowski convergence; attouch-wets convergence; tau-convergence; kuratowski convergence on compacta; hausdorff metric convergence on compacta, Hyperspaces in general topology, Convergence in general topology (sequences, filters, limits, convergence spaces, nets, etc.)

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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!
0
Average
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