Spectra of operator pencils with small 𝒫𝒯-symmetric periodic perturbation (Q5109192)
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scientific article; zbMATH DE number 7198284
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Spectra of operator pencils with small 𝒫𝒯-symmetric periodic perturbation |
scientific article; zbMATH DE number 7198284 |
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Spectra of operator pencils with small 𝒫𝒯-symmetric periodic perturbation (English)
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11 May 2020
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quadratic operator pencil
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symmetric operator perturbation
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band spectrum
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emerging eigenvalue
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