# On the Lichnerowicz conjecture for CR manifolds with mixed signature

31 Jan 2018 Case Jeffrey S. Curry Sean N. Matveev Vladimir S.

We construct examples of nondegenerate CR manifolds with Levi form of signature $(p,q)$, $2\leq p\leq q$, which are compact, not locally CR flat, and admit essential CR vector fields. We also construct an example of a noncompact nondegenerate CR manifold with signature $(1,n-1)$ which is not locally CR flat and admits an essential CR vector fields... (read more)

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• DIFFERENTIAL GEOMETRY
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