Direct and inverse theorems on approximation of functions defined on a sphere in the space S (p,q)(σ m)
We prove direct and inverse theorems on the approximation of functions defined on a sphere in the space S (p,q)(σ m), m > 3, in terms of the best approximations and modules of continuity. We consider constructive characteristics of functional classes defined by majorants of mo...
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| Date: | 2007 |
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| Main Authors: | , |
| Format: | Article |
| Language: | Russian English |
| Published: |
Institute of Mathematics, NAS of Ukraine
2007
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| Online Access: | https://umj.imath.kiev.ua/index.php/umj/article/view/3355 |
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| Journal Title: | Ukrains’kyi Matematychnyi Zhurnal |
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