Tracking poles, representing Hankel operators, and the Nehari problem (Q1894518)
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scientific article; zbMATH DE number 778279
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Tracking poles, representing Hankel operators, and the Nehari problem |
scientific article; zbMATH DE number 778279 |
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Tracking poles, representing Hankel operators, and the Nehari problem (English)
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6 September 1995
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The author presents a robust algorithm that locates the poles and zeros of a rational function from sampled values. It is then shown how this PZ algorithm can be used to construct the Szegö bases for Hankel operators and hence solve the Nehari problem.
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robust algorithm
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poles
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zeros
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rational function
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Szegö bases
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Hankel operators
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Nehari problem
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