Discrete Lebesgue constants

DOI10.1007/BF01157408zbMath0535.42005MaRDI QIDQ791081

A. L. Grigoryan

Publication date: 1983

Published in: Mathematical Notes (Search for Journal in Brave)

zbMATH Keywords

discrete Lebesgue constants

Mathematics Subject Classification ID

Rate of convergence, degree of approximation (41A25) Approximation by operators (in particular, by integral operators) (41A35) Fourier coefficients, Fourier series of functions with special properties, special Fourier series (42A16)

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Jackson's inequality for mean-square approximations of periodic functions by trigonometric polynomials on a uniform grid

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