Prescribing a Ricci tensor in a conformal class of Riemannian metrics

Prescribing a Ricci tensor in a conformal class of Riemannian metrics
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by Xingwang Xu PDF

Proc. Amer. Math. Soc. 115 (1992), 455-459 Request permission

We show that two pointwise conformal metrics that have the same Ricci tensor must be homothetic.

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Riemannian geometry