Baskakov operators and Jacobi weights: pointwise estimates

被引：0
|
作者：
Jorge Bustamante
Juan Jesús Merino-García
José María Quesada
机构：
[1] Benemérita Universidad Autónoma de Puebla,Facultad de Ciencias Físico
[2] IES. Juan Ramón Jiménez. Moguer,Matemáticas
[3] University of Jaén,Department of Mathematics
来源：
Journal of Inequalities and Applications | / 2021卷
关键词：
Baskakov operators; Direct estimates; Jacobi weights; K-functionals;
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摘要：
In this paper we present direct results (upper estimates) for Baskakov operators acting in spaces related with Jacobi-type weights. Our results include and extend some known facts related with this problem. The approach is based in the use of a new pointwise K-functional.
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