Geodesic
On the surfaces representable as difference of convex functions
Sibirskie èlektronnye matematičeskie izvestiâ, Tome 9 (2012), pp. 360-376.

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

This is a translation into English of the classical paper of A. D. Aleksandrov (1912–1999) about DC surfaces.
Keywords: DC surface, second differential, intrinsic metric.
Mots-clés : tangent cone 
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A. D. Aleksandrov. On the surfaces representable as difference of convex functions. Sibirskie èlektronnye matematičeskie izvestiâ, Tome 9 (2012), pp. 360-376. http://geodesic.mathdoc.fr/item/SEMR_2012_9_a48/

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