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Zhurnal Vychislitel'noi Matematiki i Matematicheskoi Fiziki, 2018, Volume 58, Number 10, Pages 1596–1603
DOI: https://doi.org/10.31857/S004446690003580-9 (Mi zvmmf10787) 		 
Sharp estimates for the convergence rate of Fourier series in two variables and their applications

F. V. Abilovaa, E. V. Selimkhanovb

a Dagestan State Technical University, Makhachkala, Russia
b Dagestan State University, Makhachkala, Russia
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DOI: https://doi.org/10.31857/S004446690003580-9
Abstract: Sharp estimates for the convergence rate of Fourier series with respect to the trigonometric system for functions of two variables characterized by a generalized modulus of continuity are given.
Key words: Fourier series, generalized modulus of continuity, spherical, rhombic, and hyperbolic sums, $N$-width, cubature formula.
Received: 01.09.2017
English version:
Computational Mathematics and Mathematical Physics, 2018, Volume 58, Issue 10, Pages 1545–1551
DOI: https://doi.org/10.1134/S0965542518100020
Bibliographic databases:
Document Type: Article
UDC: 519.651
Language: Russian
Citation: F. V. Abilova, E. V. Selimkhanov, “Sharp estimates for the convergence rate of Fourier series in two variables and their applications”, Zh. Vychisl. Mat. Mat. Fiz., 58:10 (2018), 1596–1603; Comput. Math. Math. Phys., 58:10 (2018), 1545–1551
Citation in format AMSBIB
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    		Журнал вычислительной математики и математической физики Computational Mathematics and Mathematical Physics
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