An exotic sphere with positive sectional curvature
Differential Geometry
2008-10-23 v3
Abstract
We show that there is a metric on the Gromoll-Meyer sphere with positive sectional curvature.
Cite
@article{arxiv.0805.0812,
title = {An exotic sphere with positive sectional curvature},
author = {Peter Petersen and Frederick Wilhelm},
journal= {arXiv preprint arXiv:0805.0812},
year = {2008}
}
Comments
A referee discovered an error in the statement of Theorem 5.3. This error is corrected and the result is renamed, Lemma 5.3. A coarse outline has been added at the end of the introduction. 95 pages