Estimates for the best approximation and integral modulus of continuity of a function in terms of its Fourier coefficients |
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| Authors: | P. V. Zaderei B. A. Smal’ |
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| Affiliation: | (1) Ukrainian Academy of Light Industry, Kiev;(2) Volyn University, Lutsk |
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| Abstract: | ![]()
In the integral metric, lower bounds are obtained for the best approximation and the modulus of continuity of a function in terms of its Fourier coefficients. Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 50, No. 4, pp. 496–503, April, 1998. |
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