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math.DG2013
-invariant and Modular Forms
Fei Han, Weiping Zhang
We show that the Atiyah-Patodi-Singer reduced -invariant of the twisted Dirac operator on a closed dimensional spin manifold, with the twisted bundle being the Witten bun…
math.DG2013
Bundles and Rigidity
Fei Han, Kefeng Liu, Weiping Zhang
In this paper, we establish rigidity and vanishing theorems for Dirac operators twisted by bundles.