Korovkin-type theorems and local approximation problems

Of concern are local approximation problems for sequences of positive linear operators acting on linear subspaces of functions defined on a metric space. A Korovkin-type theorem is established in such a framework together with several consequences related to one dimensional, multidimensional and inf...

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Vydané v:	Expositiones mathematicae Ročník 40; číslo 4; s. 1229 - 1243
Hlavný autor:	Altomare, Francesco
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Elsevier GmbH 01.12.2022
Predmet:	Bernstein-type operator Bounded [formula omitted] periodic function Convolution operator Korovkin-type theorem Local uniform approximation Positive linear operator secondary Local uniform approximation Korovkin-type theorem Positive linear operator Convolution operator Bounded 2π− periodic function Bernstein-type operator primary
ISSN:	0723-0869, 1878-0792
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