Approximation of periodic functions by Féjer-Zygmund means in various metrics

DOI10.1007/BF01139600zbMath0718.42003OpenAlexW1995226737MaRDI QIDQ2639286

N. A. Il'yasov

Publication date: 1990

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

Full work available at URL: https://doi.org/10.1007/bf01139600

zbMATH Keywords

trigonometric polynomialsbest approximationdegree of approximationFéjer-Zygmund means

Mathematics Subject Classification ID

Trigonometric approximation (42A10)

Cites Work

• Orthonormal systems satisfying an inequality of S. M. Nikol'skii
• The approximation of functions by typical means of their Fourier series
• IMBEDDING THEOREMS AND INEQUALITIES IN VARIOUS METRICS FOR BEST APPROXIMATIONS
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