Geodesic
Invariants of Pairs of Compact Convex Sets
Journal of convex analysis, Tome 6 (1999) no. 2, pp. 367-376
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In a recent paper P. Diamond, P. Kloeden, A. Rubinov and A. Vladimirov [Set-Valued Analysis (2000)] investigated comperative properties of three different metrics in the space of pairs of compact convex sets. These metrics describe invariant properties of the Radström-Hörmander lattice i.e. the space of equivalence classes of pairs of nonempty compact convex sets. In this paper we consider invariants of a class of equivalent pairs of nonempty compact convex sets. We show that the affine dimension of the minimal representant of an equivalence class is invariant and that each equivalence class has invariant convexificators.
Classification : 52A07, 26A27, 90C30
Mots-clés : Pairs of convex sets, sublinear function, quasidifferential calculus 
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     author = {D. Pallaschke and R. Urbanski},
     title = {Invariants of {Pairs} of {Compact} {Convex} {Sets}},
     journal = {Journal of convex analysis},
     pages = {367--376},
     year = {1999},
     volume = {6},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/JCA_1999_6_2_JCA_1999_6_2_a7/}
}
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D. Pallaschke; R. Urbanski. Invariants of Pairs of Compact Convex Sets. Journal of convex analysis, Tome 6 (1999) no. 2, pp. 367-376. http://geodesic.mathdoc.fr/item/JCA_1999_6_2_JCA_1999_6_2_a7/