Some analytic properties of the Weyl function of closed operator (Q2808401)
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scientific article; zbMATH DE number 6583999
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Some analytic properties of the Weyl function of closed operator |
scientific article; zbMATH DE number 6583999 |
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23 May 2016
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first order pole
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Weyl function
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Some analytic properties of the Weyl function of closed operator (English)
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The author studies the Weyl function \(M(\lambda)\) of a closed linear operator acting in a complex Hilbert space. Conditions are established which guarantee that the complex number \(\lambda_0\) is a first order pole of the operator function \((M(\lambda)-M(\lambda_0))^{-1}\).
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