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Bibliographic Details
Main Authors: Hungerbühler, Norbert, Wasem, Micha
Format: Preprint
Published: 2025
Subjects:
Online Access:https://arxiv.org/abs/2502.04017
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Table of Contents:
  • We examine pairs of closed plane curves that have the same closing property as two conic sections in Poncelet's porism. We show how the vertex curve can be computed for a given envelope and vice versa. Our formulas are universal in the sense that they produce all possible sufficiently regular pairs of such Poncelet curves. We arrive at similar results for sets of curves, analogous to the pencil of conic sections in the full Poncelet theorem. We also study the case of Poncelet curves that carry Poncelet polygons which are equiangular or even congruent.