On the uniqueness property of minimal projectors

DOI10.1016/0021-9045(81)90036-8zbMath0484.41029OpenAlexW1979247980MaRDI QIDQ1163705

Robert Schumacher

Publication date: 1981

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

Full work available at URL: https://doi.org/10.1016/0021-9045(81)90036-8

zbMATH Keywords

uniform convergenceLebesgue spaceHaar measureprojectorDirichlet means

Mathematics Subject Classification ID

Convolution as an integral transform (44A35) Trigonometric approximation (42A10) Measures on groups and semigroups, etc. (43A05) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Multidimensional problems (41A63) Approximation by operators (in particular, by integral operators) (41A35) Radon-Nikodým, Kre?n-Milman and related properties (46B22)

Cites Work

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• Zur Minimalität trigonometrischer Polynomoperatoren
• Über ein zahlentheoretisches Problem aus der Fourieranalysis. (On a number-theoretic problem from Fourier analysis)
• On the Minimal Property of the Fourier Projection
• On the minimum norm property of the Fourier projection in $L^1$-spaces and in spaces of continuous functions

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