Abstract
We show that for generic Riemannian metrics on a closed spin manifold of dimension three the Dirac operator has only simple eigenvalues.
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Dahl, M. Dirac Eigenvalues for Generic Metrics on Three-Manifolds. Annals of Global Analysis and Geometry 24, 95–100 (2003). https://doi.org/10.1023/A:1024231524848
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DOI: https://doi.org/10.1023/A:1024231524848