Separating hyperplanes for convex sets over ordered fields (Q1059111)

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scientific article; zbMATH DE number 3902782
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Separating hyperplanes for convex sets over ordered fields
scientific article; zbMATH DE number 3902782

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    Separating hyperplanes for convex sets over ordered fields (English)
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    1984
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    Let \((F,<)\) be an ordered field. Theorem. If A,B are disjoint convex sets in \(F^ n\), then the ordering of F can be extended to an ordering of the rational function field \(K=F(t_ 1,...,t_ n)\) in such a way that A,B are strongly separated by a hyperplane in \(K^ n\).
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    separating hyperplanes
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    ordered field
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    convex sets
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    ordering of the rational function field
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