Some new properties in Fredholm theory, Schechter essential spectrum, and application to transport theory (Q938421)
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scientific article; zbMATH DE number 5313216
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Some new properties in Fredholm theory, Schechter essential spectrum, and application to transport theory |
scientific article; zbMATH DE number 5313216 |
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Some new properties in Fredholm theory, Schechter essential spectrum, and application to transport theory (English)
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19 August 2008
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The authors give some results concerning a certain class of semi-Fredholm and Fredholm operators via the concept of measures of noncompactness. Moreover, they establish a fine description of the Schechter essential spectrum of closed densely defined operators on an infinite-dimensional Banach space. These results are exploited to investigate the Schechter essential spectrum of a multidimensional neutron transport operator.
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measure of noncompactness
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semi-Fredholm operator
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Fredholm operator
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Schechter essential spectrum
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