Some remarks on approximation theorems on various Banach spaces

DOI10.1016/0022-247X(80)90248-6zbMath0454.41031MaRDI QIDQ1149599

Z. Ditzian

Publication date: 1980

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

zbMATH Keywords

rate of convergencetrigonometric polynomialsinverse theoremsLandau-Kolmogorov inequalityJackson-type estimatesapproximation processes defined by convolutionssaturation theorem proved

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Best approximation, Chebyshev systems (41A50) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Inverse theorems in approximation theory (41A27) Saturation in approximation theory (41A40)

Related Items

Unnamed Item ⋮ Ulyanov-type inequalities between Lorentz-Zygmund spaces ⋮ Approximation on Banach spaces of functions on the sphere ⋮ Sharp Marchaud and converse inequalities in Orlicz spaces ⋮ Equivalence of rate of approximation and smoothness

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