Abstract
Let D be any elliptic right cylinder. We prove that every type of knot can be realized as the trajectory of a ball in D. This proves a conjecture of Lamm and gives a new proof of a conjecture of Jones and Przytycki. We use Jacobi’s proof of Poncelet’s theorem by means of elliptic functions.
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Pecker, D. Poncelet’s theorem and billiard knots. Geom Dedicata 161, 323–333 (2012). https://doi.org/10.1007/s10711-012-9708-2
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DOI: https://doi.org/10.1007/s10711-012-9708-2