Conformal diffeomorphisms preserving the Ricci tensor
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- by W. Kühnel and H.-B. Rademacher PDF
- Proc. Amer. Math. Soc. 123 (1995), 2841-2848 Request permission
Abstract:
We characterize semi-Riemannian manifolds admitting a global conformal transformation such that the difference of the two Ricci tensors is a constant multiple of the metric. Unless the conformal transformation is homothetic, the only possibilities are standard Riemannian spaces of constant sectional curvature and a particular warped product with a Ricci flat Riemannian manifold.References
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Additional Information
- © Copyright 1995 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 123 (1995), 2841-2848
- MSC: Primary 53C20; Secondary 53A30, 53C50, 58G30
- DOI: https://doi.org/10.1090/S0002-9939-1995-1260173-6
- MathSciNet review: 1260173