Bounds from below and diameters of classes of periodic functions with a bounded fractional derivative

DOI10.1007/BF01208331zbMath0799.42003OpenAlexW2082752556MaRDI QIDQ1326043

Valerii T. Shevaldin

Publication date: 13 July 1994

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

Full work available at URL: https://doi.org/10.1007/bf01208331

zbMATH Keywords

widthsfractional derivativediametersclasses of periodic functions

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Approximation by arbitrary nonlinear expressions; widths and entropy (41A46)

Related Items (2)

Exact values of Kolmogorov widths of classes of Poisson integrals ⋮ On the existence of interpolating \(SK\)-splines

Cites Work

• Functions of exponential type
• DIAMETERS OF SETS IN FUNCTION SPACES AND THE THEORY OF BEST APPROXIMATIONS
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