English

Stability of Einstein metrics and effective hyperbolization in large Hempel distance

Differential Geometry 2022-12-16 v2 Geometric Topology

Abstract

Extending earlier work of Tian, we show that if a manifold admits a metric that is almost hyperbolic in a suitable sense, then there exists an Einstein metric that is close to the given metric in the C2,αC^{2,\alpha}-topology. In dimension 33 the original manifold only needs to have finite volume, and the volume can be arbitrarily large. Applications include a new proof of the hyperbolization of 33-manifolds of large Hempel distance yielding some new geometric control on the hyperbolic metric, and an analytic proof of Dehn filling and drilling that allows the filling and drilling of arbitrary many cusps and tubes.

Keywords

Cite

@article{arxiv.2206.10438,
  title  = {Stability of Einstein metrics and effective hyperbolization in large Hempel distance},
  author = {Ursula Hamenstädt and Frieder Jäckel},
  journal= {arXiv preprint arXiv:2206.10438},
  year   = {2022}
}

Comments

139 pages, 1 figure. Improved writing, added details and slight change of title