On polynomial approximation of the inverse of an operator (Q1887627)
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scientific article; zbMATH DE number 2117301
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On polynomial approximation of the inverse of an operator |
scientific article; zbMATH DE number 2117301 |
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On polynomial approximation of the inverse of an operator (English)
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22 November 2004
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The author gives a necessary and sufficient condition for the inverse of \(A\) to be the uniform limit of polynomials in \(A\). He discusses the same problem for the strong and weak operator topologies.
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Hilbert space
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inverse operator
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invertible operator
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invariant subspace
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resolvent
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