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math.MG2008
A.D. Alexandrov's problem for Busemann non-positively curved spaces
P. D. Andreev
The paper is the last in the cycle devoted to the solution of Alexandrov's problem for non-positively curved spaces. Here we study non-positively curved spaces in the sense of Buse…
math.MG2008★ 1 cited
Tits geometry on ideal boundaries of Busemann non-positively curved space
P. D. Andreev
Let be a non-compact proper Busemann space. We introduce a collection of binary relations on its ideal boundaries generalizing comparison of Tits metric with two key values …