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The Many Faces of Lorenz Knots

In: Imagine Math

Author

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  • Marco Abate

    (University of Pisa, Department of Mathemathics)

Abstract

One of the greatest pleasures in doing mathematics (and one of the surest signs of being onto something really relevant) is discovering that two apparently completely unrelated objects actually are one and the same thing. This is what Étienne Ghys, of the École Normale Superieure de Lyon, did a few years ago (see [1] for the technical details), showing that the class of Lorenz knots, pertaining to the theory of chaotic dynamical systems and ordinary differential equations, and the class of modular knots, pertaining to the theory of 2-dimensional lattices and to number theory, coincide. In this short note we shall try to explain what Lorenz and modular knots are, and to give a hint of why they are the same. See also [2] for a more detailed but still accessible presentation, containing the beautiful pictures and animations prepared by Jos Leys [3], a digital artist, to illustrate Ghys’ results.

Suggested Citation

  • Marco Abate, 2012. "The Many Faces of Lorenz Knots," Springer Books, in: Michele Emmer (ed.), Imagine Math, pages 169-174, Springer.
    • Handle: RePEc:spr:sprchp:978-88-470-2427-4_16
    DOI: 10.1007/978-88-470-2427-4_16
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