Approximate of differentiated functions by polynomials on regions with external peaks
For isotropic Sobolev spaces defined on domains with outward cusps of power type, a method of approximation of functions and their derivatives by algebraic polynomials is indicated, and the corresponding approximation estimates are given.
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| Datum: | 1992 |
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| Hauptverfasser: | , |
| Format: | Artikel |
| Sprache: | Russisch |
| Veröffentlicht: |
Institute of Mathematics, NAS of Ukraine
1992
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| Online Zugang: | https://umj.imath.kiev.ua/index.php/umj/article/view/7895 |
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| Назва журналу: | Ukrains’kyi Matematychnyi Zhurnal |
| Завантажити файл: |  |
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Ukrains’kyi Matematychnyi Zhurnal| Zusammenfassung: | For isotropic Sobolev spaces defined on domains with outward cusps of power type, a method of approximation of functions and their derivatives by algebraic polynomials is indicated, and the corresponding approximation estimates are given. |
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