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arxiv: 1204.6676 · v1 · pith:UZAHNBODnew · submitted 2012-04-30 · 🧮 math.DG

Manifolds with almost nonnegative curvature operator and principal bundles

classification 🧮 math.DG
keywords curvaturenonnegativeoperatoralmostancomanifoldsadmitbundles
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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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