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Sharp estimates for the convergence rate of Fourier series of complex variable functions in L 2(D, p(z))

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Abstract

Sharp estimates are derived for the convergence rate of Fourier series in terms of orthogonal systems of functions for certain classes of complex variable functions, and the Kolmogorov N-widths of these classes are determined. These issues find applications in numerical analysis methods.

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References

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Correspondence to V. A. Abilov.

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Original Russian Text © V.A. Abilov, F.V. Abilovab, M.K. Kerimov, 2010, published in Zhurnal Vychislitel’noi Matematiki i Matematicheskoi Fiziki, 2010, Vol. 50, No. 6, pp. 999–1004.

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Abilov, V.A., Abilova, F.V. & Kerimov, M.K. Sharp estimates for the convergence rate of Fourier series of complex variable functions in L 2(D, p(z)). Comput. Math. and Math. Phys. 50, 946–950 (2010). https://doi.org/10.1134/S0965542510060023

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