scientific article

zbMath0308.42001MaRDI QIDQ4065980

V. K. Dzyadyk

Publication date: 1974

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

Mathematics Subject Classification ID

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

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Order estimates for the best approximations and approximations by Fourier sums in the classes of convolutions of periodic functions of low smoothness in the uniform metric ⋮ Order estimates for the best approximations and approximations by Fourier sums of the classes of \((\psi, \beta)\)-differential functions ⋮ Approximation of some classes of set-valued periodic functions by generalized trigonometric polynomials ⋮ Asymptotic estimates for the best uniform approximations of classes of convolution of periodic functions of high smoothness ⋮ On the approximation of functions by polynomials and entire functions of exponential type ⋮ Sharp Jackson-type inequalities for approximations of classes of convolutions by entire functions of exponential type ⋮ Estimates for the deviations of integral operators in semilinear metric spaces and their applications

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