Left-right Fredholm and Weyl spectra of the sum of two bounded operators and applications (Q464356)
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scientific article; zbMATH DE number 6358082
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Left-right Fredholm and Weyl spectra of the sum of two bounded operators and applications |
scientific article; zbMATH DE number 6358082 |
Statements
Left-right Fredholm and Weyl spectra of the sum of two bounded operators and applications (English)
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17 October 2014
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The authors investigate the essential spectra of the sum of two linear and bounded operators acting on a complex Banach space by means of the essential spectra of the two operators where their products are Riesz operators.
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Fredholm operator
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semi-Fredholm operator
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essential spectrum
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0.9044515
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0.8974415
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0.8945289
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0.89154965
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0.8907607
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0.8903894
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0.89021194
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0.88899535
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0.88644755
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