The smoothness of functions of two variables and double trigonometric series

DOI10.14321/REALANALEXCH.34.2.0451zbMath1183.26012OpenAlexW1503201715MaRDI QIDQ1047484

Omar P. Dzagnidze

Publication date: 4 January 2010

Published in: Real Analysis Exchange (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.14321/realanalexch.34.2.0451

zbMATH Keywords

smoothnesssmoothness in an angular sensesmoothness of the sum of a double trigonometric seriesunilateral and symmetrical differentiability of functions of two variables

Mathematics Subject Classification ID

Continuity and differentiation questions (26B05) Fourier series and coefficients in several variables (42B05)

Related Items (3)

One-dimensional Fourier series of a function of many variables ⋮ Schwarz gradients and differentiability for functions of two variables ⋮ Smoothness conditions for functions of two variables

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