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edit approved Apr 5, 2019 at 23:01

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reference-request dg.differential-geometry riemannian-geometry

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asked Apr 5, 2019 at 11:47

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Existence of nonvanishing Killing field

Let $(M,g)$ be a closed Riemannian manifold.

Q Is there any research about the existence of nonvanishing Killing field, especially the nontrivial example.

reference-request dg.differential-geometry