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On analytic perturbations of a non-self-adjoint anharmonic oscillator - MaRDI portal

On analytic perturbations of a non-self-adjoint anharmonic oscillator (Q6059261)

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scientific article; zbMATH DE number 7759376
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On analytic perturbations of a non-self-adjoint anharmonic oscillator
scientific article; zbMATH DE number 7759376

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    On analytic perturbations of a non-self-adjoint anharmonic oscillator (English)
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    2 November 2023
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    Sturm-Liouville equation
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    spectrum localization
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    pseudospectra
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    spectral instability
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