Geodesic
Normed Space Structure on a Busemann $G$-Space of Cone Type
Matematičeskie zametki, Tome 101 (2017) no. 2, pp. 169-180.

Voir la notice de l'article provenant de la source Math-Net.Ru

It is proved that any Busemann nonpositively curved $G$-space of cone type is isometric to a finite-dimensional normed space with strictly convex norm.
Keywords: Busemann $G$-space
Mots-clés : tangent cone. 
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P. D. Andreev. Normed Space Structure on a Busemann $G$-Space of Cone Type. Matematičeskie zametki, Tome 101 (2017) no. 2, pp. 169-180. http://geodesic.mathdoc.fr/item/MZM_2017_101_2_a1/

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