Isospectral surfaces with distinct covering spectra via Cayley graphs (Q431060)
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scientific article; zbMATH DE number 6050474
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Isospectral surfaces with distinct covering spectra via Cayley graphs |
scientific article; zbMATH DE number 6050474 |
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Isospectral surfaces with distinct covering spectra via Cayley graphs (English)
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26 June 2012
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It is shown that the covering spectrum is not a spectral invariant of a surface. The authors construct infinitely many Sunada-isospectral surfaces with distinct covering spectra.
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Laplace spectrum
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length spectrum
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marked length spectrum
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covering spectrum
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Grassmann-Sunada triples
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