Zum Beweis einer Jackson-Typ-Ungleichung mit Hilfe spezieller Kommutatoren. (A demonstration of a Jackson type inequality using special commutators)

DOI10.4171/ZAA/197zbMath0585.42002MaRDI QIDQ1071203

Elias Wegert

Publication date: 1986

Published in: Zeitschrift für Analysis und ihre Anwendungen (Search for Journal in Brave)

zbMATH Keywords

Sobolev spacescommutatorserror of approximationinequality of Jackson-type

Mathematics Subject Classification ID

Inequalities in approximation (Bernstein, Jackson, Nikol'ski?-type inequalities) (41A17) Trigonometric polynomials, inequalities, extremal problems (42A05)

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