On the rigidity for conformally compact Einstein manifolds

Abstract

In this paper we prove that a conformally compact Einstein manifold with the round sphere as its conformal infinity has to be the hyperbolic space. We do not assume the manifolds to be spin, but our approach relies on the positive mass theorem for asymptotic flat manifolds. The proof is based on understanding of positive eigenfunctions and compactifications obtained by positive eigenfunctions.

13 pages

References in corpus (1)

• Boundary regularity, uniqueness and non-uniqueness for AH Einstein metrics on 4-manifolds

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