On a Generalized Punctured Neighborhood Theorem in L (X) (Q4844440)
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scientific article; zbMATH DE number 788420
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On a Generalized Punctured Neighborhood Theorem in L (X) |
scientific article; zbMATH DE number 788420 |
Statements
On a Generalized Punctured Neighborhood Theorem in L (X) (English)
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29 April 1996
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semi-Fredholm operator
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essential spectrum
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bounded linear operator on a complex Banach space
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upper semi-Fredholm
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