An improved characterization of inessential elements in Banach Jordan systems and the generalized Ruston characterization (Q1581199)
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scientific article; zbMATH DE number 1508341
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | An improved characterization of inessential elements in Banach Jordan systems and the generalized Ruston characterization |
scientific article; zbMATH DE number 1508341 |
Statements
An improved characterization of inessential elements in Banach Jordan systems and the generalized Ruston characterization (English)
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14 January 2001
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The relations between inessential (properly) Riesz and quasi-Fredholm elements in a semi-primitive Banach Jordan system (i.e. an algebra, a triple system, or a pair) are studied. In particular, it is shown that the ideal of all inessential elements coincides with the set of all properly Riesz elements.
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Banach Jordan system
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inessential element
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Riesz element
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quasi-Fredholm element
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0.86350954
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0.86219513
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0.86138576
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0.8572833
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0.8490555
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0.8427785
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0.84125876
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0.84116983
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