On converse theorems of trigonometric approximation in weighted variable exponent Lebesgue spaces (Q610032)
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scientific article; zbMATH DE number 5822504
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On converse theorems of trigonometric approximation in weighted variable exponent Lebesgue spaces |
scientific article; zbMATH DE number 5822504 |
Statements
On converse theorems of trigonometric approximation in weighted variable exponent Lebesgue spaces (English)
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1 December 2010
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The authors prove improved converse theorems of trigonometric approximation in variable exponent Lebesgue spaces with some Muckenhoupt weights, and as a corollary, they give improvements of the Marchaud inequality.
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weighted fractional moduli of smoothness
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converse theorem
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fractional derivative
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