Uniform approximations by Fourier sums on the sets of convolutions of periodic functions of high smoothness
UDC 517.5 On the sets of $2\pi$-periodic functions $f$ specified by the $(\psi, \beta)$-integrals of the functions $\varphi$ from $L_{1},$ we establish Lebesgue-type inequalities in which the uniform norms of deviations of the Fourier sums are expressed via the best approximations by trigonome...
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| Date: | 2023 |
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| Main Authors: | , , , |
| Format: | Article |
| Language: | Ukrainian |
| Published: |
Institute of Mathematics, NAS of Ukraine
2023
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| Online Access: | https://umj.imath.kiev.ua/index.php/umj/article/view/7411 |
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| Journal Title: | Ukrains’kyi Matematychnyi Zhurnal |
| Download file: |  |