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| Autores principales: | , |
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| Formato: | Preprint |
| Publicado: |
2025
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| Materias: | |
| Acceso en línea: | https://arxiv.org/abs/2501.10225 |
| Etiquetas: |
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- In this paper, we consider the small and large eigenvalues of the one-dimensional Schrödinger operator L(q) with a periodic, real and locally integrable potential q. First we explicitly write out the first and second terms of the asymptotic formulas for the large periodic and antiperiodic eigenvalues and illustrate these formulas for the Kronig-Penney model. Then we give estimates for the small periodic and antiperiodic eigenvalues and for the length of the first gaps in the case of the Kronig-Penney model. Moreover, we give error estimations and present a numerical example.