paper

Rigidity of complete Riemannian manifolds with vanishing Bach tensor

arXiv:1707.05036 · doi:10.1016/j.geomphys.2017.11.004

Abstract

For complete Riemannian manifolds with vanishing Bach tensor and positive constant scalar curvature, we provide a rigidity theorem characterized by some pointwise inequalities. Furthermore, we prove some rigidity results under an inequality involving -norm of the Weyl curvature, the traceless Ricci curvature and the Sobolev constant.

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