Alexandrov spaces with maximal number of extremal points
classification
🧮 math.MG
math.DG
keywords
spacealexandrovextremalmaximalnumberpointsactionactions
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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.
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