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On the Approximation by the Generalized de la Vallée Poussin Means of Fourier Series in the Spaces WrHα

✍ Scribed by Ryszard Gajewski; Włodzimierz Łenski

Publisher: John Wiley and Sons
Year: 1985
Tongue: English
Weight: 302 KB
Volume: 120
Category: Article
ISSN: 0025-584X
DOI: 10.1002/mana.19851200107

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On the Strong Approximation by (C, α)-Me

On the Strong Approximation by (C, α)-Means of Fourier Series

✍ Włodzimierz Łenski 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 430 KB

## Abstract The degree of pointwise approximation in the strong sense of 2π‐periodic functions from __L^p^__ (__p__ = (1 + α)^−1^, α > −1/2) is examined. An answer to the modified version of Leindler's problem [4] is given.