Inverse Jackson theorems in spaces with integral metric

DOI10.1007/s11253-012-0654-9zbMath1258.42006OpenAlexW2027708949MaRDI QIDQ1928465

S. A. Pichugov

Publication date: 3 January 2013

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

Full work available at URL: https://doi.org/10.1007/s11253-012-0654-9

zbMATH Keywords

integral metricinverse Jackson theorem

Mathematics Subject Classification ID

Trigonometric approximation (42A10)

Related Items

Smoothness of functions in the metric spaces \(L_\Psi\) ⋮ Multiple modules of continuity and the best approximations of periodic functions in metric spaces ⋮ Marchaud's inequality for multiple modules of continuity in metric spaces

Cites Work

• On the jackson theorem for periodic functions in spaces with integral metric
• On the absolute summability of Fourier series of almost-periodic besicovitch functions
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