Lower estimates for the widths of classes of sourcewise representable functions

zbMath0717.41044MaRDI QIDQ2638461

Valerii T. Shevaldin

Publication date: 1990

Published in: Proceedings of the Steklov Institute of Mathematics (Search for Journal in Brave)

zbMATH Keywords

Kolmogorov widths

Mathematics Subject Classification ID

Interpolation in approximation theory (41A05) Spline approximation (41A15) Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)

Related Items (3)

Upper bounds for uniform Lebesgue constants of interpolation periodic sourcewise representable splines ⋮ Exact values of Kolmogorov widths of classes of Poisson integrals ⋮ Uniform Lebesgue constants of local spline approximation

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