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On the point spectrum of ℋ︁<sub>–2</sub>‐singular perturbations - MaRDI portal

On the point spectrum of ℋ︁<sub>–2</sub>‐singular perturbations (Q3427398)

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On the point spectrum of ℋ︁<sub>–2</sub>‐singular perturbations
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    On the point spectrum of ℋ︁<sub>–2</sub>‐singular perturbations (English)
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    20 March 2007
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    singular perturbation
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    selfadjoint extension
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    Krein's formula
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    eigenvalue problem
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