Saturation and inverse theorems for certain operators in C or \(L_ p\), \(1\leq p<\infty\)

DOI10.1016/0021-9045(84)90112-6zbMath0557.41019OpenAlexW2089750795MaRDI QIDQ762390

Ryozi Sakai

Publication date: 1984

Published in: Journal of Approximation Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0021-9045(84)90112-6

zbMATH Keywords

saturationalgebraic polynomialsdirect theoremsJackson-type kernelKorovkin-type kernel

Mathematics Subject Classification ID

Approximation by positive operators (41A36) Saturation in approximation theory (41A40)

Cites Work

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• Degree of \(L_ p-\)approximation by certain positive convolution operators
• An elementary approach to inverse approximation theorems
• On the precision of uniform approximation of continuous functions by certain linear positive operators of convolution type

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