Geodesic rigidity of Levi-Civita connections admitting essential projective vector fields
classification
🧮 math.DG
keywords
admittingconnectedmanifoldprojectivevectorclosedconnectionsdimensional
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In this paper, it is proved that a connected 3-dimensional Riemannian manifold or a closed connected semi-Riemannian manifold $M^n$($n>1$) admitting a projective vector field with a non-linearizable singularity is projectively flat.
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