English

Highly curved orbit spaces

Differential Geometry 2018-09-11 v1 Metric Geometry Representation Theory

Abstract

It is known that the infimum of the sectional curvatures (on the regular part) of orbit spaces of isometric actions on unit spheres in bounded above by 44. We show that the infimum is 11 for "most" actions, and determine the cases in which it is bigger than 11.

Keywords

Cite

@article{arxiv.1809.02865,
  title  = {Highly curved orbit spaces},
  author = {Claudio Gorodski},
  journal= {arXiv preprint arXiv:1809.02865},
  year   = {2018}
}

Comments

4 pages, 2 figures

R2 v1 2026-06-23T03:59:01.707Z