Characteristics of linear and nonlinear approximation of isotropic classes of periodic multivariate functions

DOI10.15330/CMP.15.1.78-94zbMath1519.42003MaRDI QIDQ6112589

Svitlana Borysivna Hembars'ka, V. S. Romanyuk, A. S. Romanyuk, Kateryna Pozharska

Publication date: 7 August 2023

Published in: Carpathian Mathematical Publications (Search for Journal in Brave)

zbMATH Keywords

widthbest approximationNikol'skii-Besov classbest orthogonal trigonometric approximation

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Best approximation, Chebyshev systems (41A50)

Related Items (2)

Characteristics of the linear and nonlinear approximations of the Nikol'skii-Besov-type classes of periodic functions of several variables ⋮ Approximation of classes of periodic functions of several variables with given majorant of mixed moduli of continuity

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