Dunkl's theory and Jackson's theorem in the space \(L_2(\mathbb R^d)\) with power weight (Q643838)
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scientific article; zbMATH DE number 5966632
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Dunkl's theory and Jackson's theorem in the space \(L_2(\mathbb R^d)\) with power weight |
scientific article; zbMATH DE number 5966632 |
Statements
Dunkl's theory and Jackson's theorem in the space \(L_2(\mathbb R^d)\) with power weight (English)
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2 November 2011
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A sharp Jackson inequality is proved for a weight defined by a positive subsystem of a finite root system and by a function invariant under the reflection group generated by \(\mathbb R\).
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reflection group
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Dunkl transform
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best approximation
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modulus of continuity
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Jackson inequality
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