Approximation by Nörlund means of double Fourier series to continuous functions in two variables

DOI10.1007/BF01890571zbMath0624.42002OpenAlexW2042041526MaRDI QIDQ1092268

Billy E. Rhoades, Ferenc Móricz

Publication date: 1987

Published in: Constructive Approximation (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf01890571

zbMATH Keywords

Nörlund meansconjugate functionsrate of uniform approximation

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Cesàro, Euler, Nörlund and Hausdorff methods (40G05) Best approximation, Chebyshev systems (41A50) Fourier series and coefficients in several variables (42B05)

Related Items

Approximation of certain bivariate functions by almost Euler means of double Fourier series, Effectiveness of the even-type delayed mean in approximation of conjugate functions, Degree of approximation by means of hexagonal Fourier series, Approximation of functions in generalized Zygmund class by double Hausdorff matrix

Cites Work

• Approximation to continuous functions by Cesàro means of double Fourier series and conjugate series
• Smooth functions
• On the boundary values of functions of several complex variables, I
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