As in this question , I know there are some Riemannian manifold which there is not Killing field on it . But it is not obvious that the sufficient condition of existence of Killing field. And I Google it , seemly, there is not paper talk about the sufficient condition of existence of Killing field. What paper is about this ?
2026-03-26 21:27:07.1774560427
Sufficient condition of existence of Killing field on Riemannian manifold.
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