Convergence of series of Fourier coefficients for multiplicative convolutions
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 11 (2008), pp. 27-39
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We study the convergence of series with Fourier–Vilenkin coefficients for functions represented as multiplicative convolutions. In the trigonometric case similar results are obtained by C. Onneweer, M. Izumi, and S. Izumi. Moreover, we consider certain analogs of I. Hirshman and W. Rudin transformations of Fourier coefficients. Some results are proved to be unimprovable in a certain sense.
Keywords:
absolute convergence, multiplicative systems
Mots-clés : multiplicative convolution.
Mots-clés : multiplicative convolution.
@article{IVM_2008_11_a2,
author = {S. S. Volosivets},
title = {Convergence of series of {Fourier} coefficients for multiplicative convolutions},
journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
pages = {27--39},
publisher = {mathdoc},
number = {11},
year = {2008},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/IVM_2008_11_a2/}
}
S. S. Volosivets. Convergence of series of Fourier coefficients for multiplicative convolutions. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 11 (2008), pp. 27-39. http://geodesic.mathdoc.fr/item/IVM_2008_11_a2/