10 Points in Dimension 4 not Projectivel
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David Forge; Michel Las Vergnas; Peter Schuchert
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Article
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2001
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Elsevier Science
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English
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Using oriented matroids, and with the help of a computer, we have found a set of 10 points in R 4 not projectively equivalent to the vertices of a convex polytope. This result confirms a conjecture of Larman [6] in dimension 4.