Abstract
Different Korovkin type results have been obtained in cones of set-valued continuous functions. Here we show that if we consider the subcone of set-valued continuous functions having a convex graph, then we can consider a Korovkin system which contains only affine functions. In this way we give a non trivial example where the number of functions to be used in a Korovkin system can be reduced.
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Campiti M. (2022) "Korovkin-type approximation of set-valued functions with convex graphs
" Dolomites Research Notes on Approximation, 15(5), 51-55. DOI: 10.14658/PUPJ-DRNA-2022-5-5
Year of Publication
2022
Journal
Dolomites Research Notes on Approximation
Volume
15
Issue Number
5
Start Page
51
Last Page
55
Date Published
12/2022
ISSN Number
2035-6803
Serial Article Number
5
DOI
10.14658/PUPJ-DRNA-2022-5-5
Issue
Section
SpecialIssue5