On convergence rate for \(\varphi, \lambda\)-means of orthogonal series

zbMath0876.42017MaRDI QIDQ1358585

O. A. Ziza

Publication date: 13 July 1997

Published in: Moscow University Mathematics Bulletin (Search for Journal in Brave)

zbMATH Keywords

summation methodsRiesz methodCesàro methodsAbel methodapproximation of orthogonal seriesBernstein-Rogozinski methodde la Vallée-Poussin methods

Mathematics Subject Classification ID

General harmonic expansions, frames (42C15) Special methods of summability (40G99)

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