Approximation of classes $\overline{\psi}$-differentiated functions by the Fourier sums
We consider deviations of Fourier sums on the spaces $C^{\overline{\psi}}_{\infty}$ and estimates of these deviations are expressed by the best approximation $\overline{\psi}$-derivative functions of two variables in the understanding of A.I.Stepanets are obtained. The sequence $\psi_i^{(j)}(k_i),$...
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| Date: | 2015 |
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| Keywords: | keywords |
| Main Authors: | Bodra, V. I., Zaderey, P. V., Бодра, В. І., Задерей, П. В. |
| Format: | Article |
| Language: | Ukrainian |
| Published: |
Інститут математики НАН України
2015
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| Online Access: | https://trim.imath.kiev.ua/index.php/trim/article/view/280 |
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| Journal Title: | Transactions of Institute of Mathematics of NAS of Ukraine |
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