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arXiv · 1606.00778

Four-dimensional cohomogeneity one Ricci flow and nonnegative sectional curvature

Renato G. Bettiol·Anusha M. Krishnan
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Abstract

We exhibit the first examples of closed 4-manifolds with nonnegative sectional curvature that lose this property when evolved via Ricci flow.

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Renato G. Bettiol, Anusha M. Krishnan. 2017-05-01. Four-dimensional cohomogeneity one Ricci flow and nonnegative sectional curvature. https://arxiv.org/abs/1606.00778

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