On the best approximation by trigonometric polynomials on convolution classes of analytic periodic functions

DOI10.1134/S0001434608110114zbMath1219.42002OpenAlexW1985761284MaRDI QIDQ635632

A. V. Pokrovskiĭ

Publication date: 20 August 2011

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

Full work available at URL: https://doi.org/10.1134/s0001434608110114

zbMATH Keywords

best approximationtrigonometric polynomial\(2\pi \)-periodic analytic functionconvolution classgeometric progressionNagy condition

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Approximation by polynomials (41A10)

Cites Work

• Complexity of approximation problems
• Best Approximations and Widths of Classes of Convolutions of Periodic Functions of High Smoothness
• Unnamed Item

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