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arXiv · 1204.6676

Manifolds with almost nonnegative curvature operator and principal bundles

Martin Herrmann·Dennis Sebastian·Wilderich Tuschmann
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Abstract

We study manifolds with almost nonnegative curvature operator (ANCO) and provide first examples of closed simply connected ANCO mannifolds that do not admit nonnegative curvature operator.

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Martin Herrmann, Dennis Sebastian, Wilderich Tuschmann. 2012-04-30. Manifolds with almost nonnegative curvature operator and principal bundles. https://doi.org/10.1007/s10455-013-9372-2

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