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Some inequalities between best approximations and moduli of continuity in an L2space

✍ Scribed by A. A. Ligun


Publisher
SP MAIK Nauka/Interperiodica
Year
1978
Tongue
English
Weight
236 KB
Volume
24
Category
Article
ISSN
0001-4346

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The Equivalence Relations between the Di
✍ Song Li πŸ“‚ Article πŸ“… 1997 πŸ› Elsevier Science 🌐 English βš– 223 KB

The best polynomial approximation is closely related to the Ditzian᎐Totik modulus of smoothness. In 1988, Z. Ditzian and V. Totik gave some equivalences between them and the class of Besov-type spaces B p with 1 F p F ϱ and ␣, s 1 F s F ϱ. We extend these equivalences to the similar Besov-type space