Rational approximation of a class of infinite-dimensional systems. I: Singular values of Hankel operators (Q803447)
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scientific article; zbMATH DE number 4200862
| Language | Label | Description | Also known as |
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| English | Rational approximation of a class of infinite-dimensional systems. I: Singular values of Hankel operators |
scientific article; zbMATH DE number 4200862 |
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Rational approximation of a class of infinite-dimensional systems. I: Singular values of Hankel operators (English)
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1990
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The optimal convergence rate for infinity norm rational approximations is related to bounds on the singular values of a class of Hankel operators. Asymptotically accurate upper and lower bounds are established for Hankel integral operators whose kernels have certain smoothness properties.
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optimal convergence rate
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Hankel operators
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