Hearing the platycosms

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A `platycosm' is a flat Riemannian 3-manifold without boundary. In this paper we prove that there is (up to scale) a unique isospectral pair of compact platycosms.
To appear in Math. Res. Lett. (2006). 20 pages, 20 figures. Minor changes to the 1st version

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Differential Geometry, Spectral Theory, 58J53, 20H15

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http://salesiana.dossiersoluciones.com/handle/123456789/99910

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0311470
 http://arxiv.org/abs/math/0311470

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arXiv