Hyperinterpolation on the sphere at the minimal projection order (Q1577921)
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scientific article; zbMATH DE number 1496279
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Hyperinterpolation on the sphere at the minimal projection order |
scientific article; zbMATH DE number 1496279 |
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Hyperinterpolation on the sphere at the minimal projection order (English)
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2000
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We investigate hyperinterpolation operators based on positive weighted quadrature rules, as introduced by Ian H. Sloan. If the rules are exact of double degree then, independently of the number of their nodes, the operator norms increase at the order of the minimal projections.
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hyperinterpolation
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quadrature rules
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