Valentine’s extensions of Tietze’s theorem on convex sets

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A generalization of the erdös-szekeres theorem to disjoint convex sets.

On a generalization of the Blaschke-Lebesgue theorem for disk-polygons

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On the boundary of the union of planar convex sets (1999)

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A Generalization of Outer Parallel Sets of a Convex Set

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A generalization of Study’s theorem on convex maps

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An extension of Tietze’s theorem

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A Representation Theorem for Bounded Convex Sets

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A Converse of Helly’s Theorem on Convex Sets

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