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Geometry, Differential.

View Resource Eigenvalue estimates of the Dirac operator depending on the Ricci tensor

This electronic pre-print comes from researchers at the Institute of Mathematics at The Technical University, Berlin. The paper, which is available in .ps gzipped format, demonstrates a new lower bound for the first eigenvalue of the Dirac operator on a compact Riemannian spin manifold by refined Weitzenbock techniques. It is used for manifolds with harmonic curvature tensor and depends on the...