49 citations · 216 across the 41 of their papers we have counts for
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math.DG2001★ 3 cited
A short course on Witten Helffer-Sjöstrand theory
Dan Burghelea
Witten-Helffer-Sjöstrand theory is an addition to Morse theory and Hodge-de Rham theory for Riemannian manifolds and considerably improves on them by injecting some spectral theory…
math.DG2001★ 16 cited
On the topology and analysis of a closed one form. I (Novikov's theory revisited)
Dan Burghelea, Stefan Haller
We consider systems with a closed smooth manifold, a real valued closed one form and a Riemannian metric, so that is a Morse-Smale pair, Definition~2.…