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math.MG2007
Properties of two selections in metric spaces of Busemann nonpositive curvature
Pyotr Ivanshin
In this article the author presents results on the selection for the space of convex hulls of points and compacts of the complete convex metric space of Busemann nonpositve cur…
math.MG2004
A Lipschitz map for the Hadamard space . Sketch of the construction
P. N. Ivanshin
We introduce the sketch of construction of a Lipschitz function , here the set consists of all compact convex subsets of the Hadamard space .…