On the order of the best approximation in spaces with asymmetric norm and sign-sensitive weight on classes of differentiable functions

DOI10.1070/IM2002v066n01ABEH000373zbMath1052.41018OpenAlexW2091708406MaRDI QIDQ4804390

A. I. Kozko

Publication date: 2002

Published in: Izvestiya: Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1070/im2002v066n01abeh000373

zbMATH Keywords

rate of convergencetrigonometric polynomialsbest approximationdegree of approximationtrigonometric approximationasymmetric norms

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65) Approximation with constraints (41A29) Rate of convergence, degree of approximation (41A25) Completeness of sets of functions in one variable harmonic analysis (42A65)

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