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arxiv: 1104.0745 · v1 · submitted 2011-04-05 · 🧮 math.DG

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The second Dirac eigenvalue of a nearly parallel G₂-manifold

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classification 🧮 math.DG
keywords diraceigenvaluesecondadmittingcomputedependsdimensiondimensions
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We investigate the second Dirac eigenvalue on Riemannian manifolds admitting a Killing spinor. In small dimensions the whole Dirac spectrum depends on special eigenvalues on functions and 1-forms. We compute and discuss the formulas in dimension $n = 7$.

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