Almost harmonic spinors

by Nicolas Ginoux and Jean-François Grosjean

C. R. Math. Acad. Sci. Paris 348 (2010), no. 13-14, 811-814

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Abstract: We show that any closed spin manifold not diffeomorphic to the two-sphere admits a sequence of volume-one-Riemannian metrics for which the smallest non-zero Dirac eigenvalue tends to zero. As an application, we compare the Dirac spectrum with the conformal volume.




Nicolas Ginoux, 10.03.2011