Approximation of the classes $C_{β}^{ψ} H_{ω}$ by generalized Zygmund sums
We obtain asymptotic equalities for the least upper bounds of approximations by Zygmund sums in the uniform metric on the classes of continuous 2π-periodic functions whose (ψ, β)-derivatives belong to the set $H_{ω}$ in the case where the sequences ψ that generate the classes tend to zero not faster...
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| Date: | 2009 |
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| Main Authors: | , , , |
| Format: | Article |
| Language: | Russian English |
| Published: |
Institute of Mathematics, NAS of Ukraine
2009
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| Online Access: | https://umj.imath.kiev.ua/index.php/umj/article/view/3037 |
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| Journal Title: | Ukrains’kyi Matematychnyi Zhurnal |
| Download file: |  |