Approximation of differentiable functions by positive summability methods for Fourier series

DOI10.1007/BF01157391zbMath0552.42001MaRDI QIDQ801501

N. E. Zubov

Publication date: 1983

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

zbMATH Keywords

eigenvectorpositive operatorsquare matrix

Mathematics Subject Classification ID

Trigonometric approximation (42A10)

Cites Work

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