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// Vestnik Moskovskogo Universiteta. Seriya 1. Matematika. Mekhanika
// Archive
Vestnik Moskov. Univ. Ser. 1. Mat. Mekh.,
2017
Number 5,
Pages
3–13
(Mi vmumm88)
Mathematics
Estimates of norms of functions represented as double series over cosines with multiple-monotone coefficients
T. M. Vukolova
Lomonosov Moscow State University, Institute of Russian Language and Culture
Abstract:
We prove lower and upper bounds for the norms of functions being the sums of double series in cosines.
Key words:
norm, series in the works of cosines, monotone coefficients.
UDC:
517.5
Received:
26.11.2016
Fulltext:
PDF file (344 kB)
References
English version:
Moscow University Mathematics Bulletin, Moscow University Måchanics Bulletin, 2017,
72
:5,
181–191
Bibliographic databases:
©
Steklov Math. Inst. of RAS
, 2025
Fulltext:
PDF file (344 kB)