An inverse approximation theorem in various metrics

DOI10.1007/BF01158266zbMath0789.42001MaRDI QIDQ1181614

N. A. Il'yasov

Publication date: 27 June 1992

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

zbMATH Keywords

best approximation by trigonometric polynomialsinverse Bernstein-type theorem

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Inverse theorems in approximation theory (41A27)

Cites Work

• Orthonormal systems satisfying an inequality of S. M. Nikol'skii
• The approximation of functions by typical means of their Fourier series
• Unnamed Item
• Unnamed Item
• Unnamed Item
• Unnamed Item

This page was built for publication: An inverse approximation theorem in various metrics