The distance to a similarity-invariant set of operators (Q1171739)
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scientific article; zbMATH DE number 3787499
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The distance to a similarity-invariant set of operators |
scientific article; zbMATH DE number 3787499 |
Statements
The distance to a similarity-invariant set of operators (English)
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1982
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approximation of operators
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distance of a given operator on a Hilbert space to sets of operators invariant under similarities and compact perturbations
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multicyclic operators
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quasisingular operators
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biquasitriangular operators
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semi-Fredholm domain
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essential spectrum
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