Eigenvalues of quadratic operator pencils related to stability problems (Q916989)
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scientific article; zbMATH DE number 4155243
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Eigenvalues of quadratic operator pencils related to stability problems |
scientific article; zbMATH DE number 4155243 |
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Eigenvalues of quadratic operator pencils related to stability problems (English)
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1989
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The author considers operator pencils of the form \[ L(\lambda)=\lambda^ 2I+\lambda (C+B)+A \] in a Hilbert space and gives a criterion for the spectrum, \(\sigma\) (L), to contain no pure imaginary points.
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operator pencils
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