Geodesic
Open map theorem for metric spaces
Algebra i analiz, Tome 17 (2005) no. 3, pp. 139-159.

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

An open map theorem for metric spaces is proved and some applications are discussed. The result on the existence of gradient flows of semiconcave functions is generalized to a large class of spaces.
Keywords: semi-convex functions, Aleksandrov spaces, differentials, gradient flow. 
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A. Lytchak. Open map theorem for metric spaces. Algebra i analiz, Tome 17 (2005) no. 3, pp. 139-159. http://geodesic.mathdoc.fr/item/AA_2005_17_3_a7/

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