Stechkin-type estimate for nearly copositive approximation of periodic functions
Under the conditions that a continuous $2\pi$-periodic function $f$ on the real axis changes its sign at $2s$ points $y_i\colon {-\pi}\le y_{2s}<y_{2s-1}<\ldots <y_1<\pi,$ $s\in\Bbb N,$ the other points $y_i,$ $i\in\Bbb Z,$ are defined by periodicity, and...
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| Date: | 2020 |
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| Main Authors: | , |
| Format: | Article |
| Language: | Ukrainian |
| Published: |
Institute of Mathematics, NAS of Ukraine
2020
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| Online Access: | https://umj.imath.kiev.ua/index.php/umj/article/view/1127 |
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| Journal Title: | Ukrains’kyi Matematychnyi Zhurnal |
| Download file: |  |
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