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math.DG1998
Lectures on Witten Helffer Sjöstrand Theory
Dan Burghelea
Witten- Helffer-Sjöstrand theory is a considerable addition to the De Rham- Hodge theory for Riemannian manifolds and can serve as a general tool to prove results about comparison…
math.DG1998
Removing Metric Anomalies from Ray Singer Torsion
Dan Burghelea
Ray Singer torsion is a numerical invariant associated with a compact Riemannian manifold equipped with a flat bundle and a Hermitian structure on this bundle. In this note we show…