Order estimates for the best approximation and approximation by Fourier sums of classes of infinitely differentiable functions
We obtained order estimations for the best uniform approximation by trigonometric polynomials and approximation by Fourier sums of classes of $2\pi$-periodic continuous functions, whose $(\psi,\beta)$--derivatives $f_{\beta}^{\psi}$ belong to unit balls of spaces $L_{p}, \ 1\leq p&a...
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| Date: | 2013 |
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| Main Authors: | , , , |
| Format: | Article |
| Language: | Ukrainian |
| Published: |
Інститут математики НАН України
2013
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| Online Access: | https://trim.imath.kiev.ua/index.php/trim/article/view/180 |
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| Journal Title: | Transactions of Institute of Mathematics of NAS of Ukraine |
| Download file: |  |