Speed of approximation of functions by convergence systems

DOI10.1007/BF01682118zbMath0507.42011OpenAlexW1986999623MaRDI QIDQ4744731

L. V. Grnevska, Vitalii A. Andrienko

Publication date: 1982

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

Full work available at URL: https://doi.org/10.1007/bf01682118

zbMATH Keywords

rate of convergenceexact estimatesorthogonal series

Mathematics Subject Classification ID

Orthogonal functions and polynomials, general theory of nontrigonometric harmonic analysis (42C05) General harmonic expansions, frames (42C15) Convergence and absolute convergence of Fourier and trigonometric series (42A20)

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