3-manifolds with nonnegative Ricci curvature

Details 3-manifolds with nonnegative Ricci curvature 3-manifolds with nonnegative Ricci curvature

2011-08-09

arxiv.org/abs/1108.1888v1

Mathematics

Differential Geometry

6 pages. Comments are welcome

Scientific paper

For a noncompact 3-manifold with nonnegative Ricci curvature, we prove that
either it is diffeomorphic to $\mathbb{R}^3$ or the universal cover splits.

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