Geodesic
The Barrier Cone of a Convex Set and the Closure of the Cover
Journal of convex analysis, Tome 6 (1999) no. 2, pp. 395-398.

Voir la notice de l'article provenant de la source Heldermann Verlag

For an arbitrary non-empty closed convex set A in Rn, we prove that the polar of the difference between the barrier cone B(A) and its interior int(B(A)) coincides with the recession cone 0+(cl(G(A))) of the closure of the cover G(a).
Classification : 52A20
Mots-clés : Convex set, barrier cone, recession cone, cover, polar cone 
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     title = {The {Barrier} {Cone} of a {Convex} {Set} and the {Closure} of the {Cover}},
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J. Bair; J. C. Dupin. The Barrier Cone of a Convex Set and the Closure of the Cover. Journal of convex analysis, Tome 6 (1999) no. 2, pp. 395-398. http://geodesic.mathdoc.fr/item/JCA_1999_6_2_JCA_1999_6_2_a10/