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Equichordal Point Problem

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The Equichordal Point Problem

A problem in convex geometry that asks wether there exists a curve with two equichordal points. The problem was originally posed in 1916 by Fujiwara[1], and solved by Marek Rychlik in 1996[2]. The answer in the negative is the subject of Rychlik's Theorem

See also

  1. Rychlik's Theorem
  2. Chordal Problem

References

  1. ^ M. Fujiwara. Über die Mittelkurve zweier geschlossenen konvexen Curven in Bezug auf einen Punkt. Tôhoku Math J., 10:99-103, 1916
  2. ^ Marek R. Rychlik, A complete solution to the equichordal point problem of Fujiwara, Blaschke, Rothe and Weizenböck, Inventiones Mathematicae, 1997, Volume 129, Number 1, Pages 141-212