Approximation of classes of periodic functions in one and many variables from the Nikol’skii – Besov and Sobolev spaces
UDC 517.51 In this paper, we obtain exact-order estimates for the best orthogonal trigonometric approximations of the Nikol'skii-Besov classes $B^{\boldsymbol{r}}_{1,\theta}(\mathbb{T}^d),$ $1\leq\theta\leq\infty,$ of periodic functions of one and many variables with dominating mixed...
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| Date: | 2022 |
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| Main Authors: | , , , |
| Format: | Article |
| Language: | Ukrainian |
| Published: |
Institute of Mathematics, NAS of Ukraine
2022
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| Online Access: | https://umj.imath.kiev.ua/index.php/umj/article/view/7141 |
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| Journal Title: | Ukrains’kyi Matematychnyi Zhurnal |
| Download file: |  |