A condition of new type on Fourier coefficients makes the ratio \(\| f-S_ n(f)\| /E_ n(f)\) bounded

DOI10.1007/BF02205216zbMath0871.42003MaRDI QIDQ2565296

László Leindler

Publication date: 11 March 1997

Published in: Analysis Mathematica (Search for Journal in Brave)

zbMATH Keywords

Fourier coefficientsapproximation of continuous functionsquasi geometrically increasing sequence

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Fourier coefficients, Fourier series of functions with special properties, special Fourier series (42A16)

Cites Work

• Approximation of monomials by lower degree polynomials
• On the connection between quasi power-monotone and quasi geometrical sequences with application to integrability theorems for power series
• What Strong Monotonicity Condition on Fourier Coefficients can make the Ratio || f - S n (f) || /E n (f) Bounded?
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