Mathematical Research Letters

Volume 2 (1995)

Number 1

Einstein metrics and Mostow rigidity

Pages: 1 – 8



Claude LeBrun (State University of New York)


Using the new diffeomorphism invariants of Seiberg and Witten, a uniqueness theorem is proved for Einstein metrics on compact quotients of irreducible 4-dimensional symmetric spaces of non-compact type. The proof also yields a Riemannian version of the Miyaoka-Yau inequality.

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