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On the Strong Approximation by ( C , α)‐Means of Fourier Series
Author(s) -
Łenski Włodzimierz
Publication year - 1990
Publication title -
mathematische nachrichten
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 50
eISSN - 1522-2616
pISSN - 0025-584X
DOI - 10.1002/mana.19901461303
Subject(s) - mathematics , pointwise , fourier series , series (stratigraphy) , degree (music) , fourier transform , pointwise convergence , pure mathematics , mathematical analysis , physics , computer science , acoustics , biology , operating system , paleontology , approx
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.
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