English

Alexandrov spaces with maximal number of extremal points

Metric Geometry 2015-06-03 v3 Differential Geometry

Abstract

We show that any n-dimensional nonnegatively curved Alexandrov space with the maximal possible number of extremal points is isometric to a quotient space of Euclidean n -space by an action of a crystallographic group. We describe all such actions.

Keywords

Cite

@article{arxiv.1111.7253,
  title  = {Alexandrov spaces with maximal number of extremal points},
  author = {Nina Lebedeva},
  journal= {arXiv preprint arXiv:1111.7253},
  year   = {2015}
}