The generalization of the Keldysh theorem (Q1192752)
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scientific article; zbMATH DE number 61578
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The generalization of the Keldysh theorem |
scientific article; zbMATH DE number 61578 |
Statements
The generalization of the Keldysh theorem (English)
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27 September 1992
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completeness of a system of root vectors of a weakly perturbed \(m\)- sectorial compact operator with nontrivial kernel
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