Estimates for the Variation of Functions Defined by Double Trigonometric Cosine Series

DOI10.1023/B:UKMA.0000010591.55696.30zbMath1142.42309OpenAlexW2039085008MaRDI QIDQ5693682

S. B. Gembarskaya

Publication date: 28 September 2005

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

Full work available at URL: https://doi.org/10.1023/b:ukma.0000010591.55696.30

zbMATH Keywords

variation of functionquasiconvex coefficientsthe double trigonometric series

Mathematics Subject Classification ID

Fourier series and coefficients in several variables (42B05) Special properties of functions of several variables, Hölder conditions, etc. (26B35)

Related Items (1)

Estimations of the integral of modulus for a mixed derivative of the sum of double trigonometric series

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