The essential pseudo-spectra of a sequence of linear operators (Q1743885)
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scientific article; zbMATH DE number 6860226
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The essential pseudo-spectra of a sequence of linear operators |
scientific article; zbMATH DE number 6860226 |
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The essential pseudo-spectra of a sequence of linear operators (English)
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16 April 2018
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Properties of the essential pseudospectrum of a sequence of closed linear operators on a Banach space are investigated. The obtained results are then used to establish some new results on the essential pseudospectra of \(2\times 2\) block operator matrices.
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essential pseudospectra
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sequence of closed linear operators
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\(\nu \)-convergence
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\(2\times 2\) block operator matrices
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