On distinct distances from a vertex of a convex polygon (Q854704)

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scientific article; zbMATH DE number 5077623
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On distinct distances from a vertex of a convex polygon
scientific article; zbMATH DE number 5077623

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    On distinct distances from a vertex of a convex polygon (English)
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    6 December 2006
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    Given a set \(P\) of \(n\) points in convex position in the plane (i.e. the points are the vertices of a convex polygon), the author proves that there exists a point \(p \in P\) such that the number of distinct distances from \(p\) is at least \(\lceil(13n-6)/36\rceil\). The best previous bound, \(\lceil n/3\rceil\), from 1952, is due to Moser.
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