Spectral instability of coverings
| Autor: | Mondal, Sugata, Ballmann, Werner |
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| Rok vydání: | 2023 |
| Předmět: | |
| Druh dokumentu: | Working Paper |
| Popis: | We study the behaviour of eigenvalues, below the bottom of the essential spectrum, of the Laplacian under finite Riemannian coverings of complete and connected Riemannian manifolds. We define spectral stability and instability of such coverings. Among others, we provide necessary conditions for stability or, equivalently, sufficient conditions for instability. Comment: 19 pages |
| Databáze: | arXiv |
| Externí odkaz: |
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