English

Manifolds with almost nonnegative curvature operator and principal bundles

Differential Geometry 2014-09-30 v1

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.

Keywords

Cite

@article{arxiv.1204.6676,
  title  = {Manifolds with almost nonnegative curvature operator and principal bundles},
  author = {Martin Herrmann and Dennis Sebastian and Wilderich Tuschmann},
  journal= {arXiv preprint arXiv:1204.6676},
  year   = {2014}
}