Abstract
We show that any –dimensional nonnegatively curved Alexandrov space with the maximal possible number of extremal points is isometric to a quotient space of by an action of a crystallographic group. We describe all such actions.
Citation
Nina Lebedeva. "Alexandrov spaces with maximal number of extremal points." Geom. Topol. 19 (3) 1493 - 1521, 2015. https://doi.org/10.2140/gt.2015.19.1493
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