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Order Types of convex bodies

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arxiv 1010.4613 v1 pith:SO2UIFHB submitted 2010-10-22 math.CO

Order Types of convex bodies

classification math.CO
keywords convexbodiescharacterizationordertothbisztriczkyboundscombinatorial
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We give new bounds on the Erdos-Szekeres theorems for convex bodies of Bisztriczky and Fejes Toth and of Pach and Toth. We derive them from a combinatorial characterization of convex position of a family of planar convex bodies. This characterization confirms that the concept of Order Type for points can be extended to noncrossing families of convex bodies in a geometrically meaningful way.

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