• Thumbnail for Étienne Ghys
    Étienne Ghys (born 29 December 1954) is a French mathematician. His research focuses mainly on geometry and dynamical systems, though his mathematical...
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  • Thumbnail for Jacob's ladder surface
    with infinite genus and two ends. It was named after Jacob's ladder by Étienne Ghys (1995, Théorème A), because the surface can be constructed as the boundary...
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  • Thumbnail for Chaos theory
    non-linear systems including fractal nature of life and chaos. Jos Leys, Étienne Ghys et Aurélien Alvarez, Chaos, A Mathematical Adventure. Nine films about...
    122 KB (14,017 words) - 08:39, 3 October 2024
  • Thumbnail for Horseshoe map
    fold, prune" CHAOS VI - Chaos and Horseshoe Chapter from Jos Leys, Étienne Ghys and Aurélien Alvarez movie Chaos Richeson, David (2022-03-02). "How Mathematicians...
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  • Andreas Floer Kenji Fukaya Hillel Furstenberg Matthias Günther David Gabai Étienne Ghys Henri Gillet Shafi Goldwasser Thomas G. Goodwillie Cameron Gordon Rostislav...
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  • Thumbnail for École normale supérieure de Lyon
    François Gauthier (born 1953) – diplomat, Ambassador of France to Ecuador Étienne Ghys (born 1954) – mathematician, (Clay Award for Dissemination, 2015) Anne...
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  • Thumbnail for Cantor tree surface
    limit of handles. Jacob's ladder surface Loch Ness monster surface Ghys, Étienne (1995), "Topologie des feuilles génériques", Annals of Mathematics,...
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  • Thumbnail for William Thurston
    Andrews Thurston's page at Cornell Tribute and remembrance page at Cornell Etienne Ghys : La géométrie et la mode "Landau Lectures | Prof. Thurston | Part 1...
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  • Thumbnail for Loch Ness monster surface
    209–218, doi:10.1016/0040-9383(81)90039-2, ISSN 0040-9383, MR 0605659 Ghys, Étienne (1995), "Topologie des feuilles génériques", Annals of Mathematics,...
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  • (1837–1911) Théodore Dubois (1837–1924) Georges Bizet (1838–1875) Henri Ghys (1839–1908) Emmanuel Chabrier (1841–1894) Georges Lamothe (1842–1894) Jules...
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  • Thumbnail for Nicolas Bergeron
    Maxime Bourrigan, Bertrand Deroin, Sorin Dumitrescu, Charles Frances, Étienne Ghys, Antonin Guilloux, Frank Loray, Patrick Popescu-Pampu, Pierre Py, Bruno...
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  • Thumbnail for Kathryn Mann
    of manifolds. She has made significant progress on a problem posed by Étienne Ghys: when the symmetries of one manifold act nontrivially on a second manifold...
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  • under the direction of Jean-Bernard Baillon, also working in Lyon with Étienne Ghys. After a brief stint as a secondary school teacher in Thoissey, France...
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  • on the three-body problem in celestial mechanics, jointly directed by Étienne Ghys and Christian Mercat. After completing her doctorate, she decided to...
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  • dynamical systems. Cantat received his PhD under the supervision of Étienne Ghys in 1999 at the École normale supérieure de Lyon. Cantat is a directeur...
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  • Thumbnail for Nessim Sibony
    Pures Appl. (9) 82 (2003), no. 4, 367–423. with Dominique Cerveau, Étienne Ghys, Jean-Christophe Yoccoz Complex Dynamics and Geometry, SMF/AMS Texts...
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  • Thumbnail for Catherine Bréchignac
    Académie des sciences, retrieved 9 November 2015 "Communiqué de presse : Étienne Ghys élu Secrétaire perpétuel de l'Académie des sciences" (in French). Académie...
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  • Ghys 1990, Chapitre 7, page 120. de la Harpe & Ghys 1990, Chapitre 7, section 2. de la Harpe & Ghys 1990, Chapitre 7, section 3. de la Harpe & Ghys 1990...
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  • Thumbnail for Tait–Kneser theorem
    smooth function, and for the osculating conics to a given smooth curve. Ghys, Étienne; Tabachnikov, Sergei; Timorin, Vladlen (2013), "Osculating curves: around...
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  • Garcia-Velasquez (born 1984) Denis Gaultier (1603–1672) André Gedalge (1856–1926) Henri Ghys (1839–1908) Godard (fl. 1536 – c. 1560) Benjamin Godard (1849–1895) Nicolas...
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  • Thumbnail for Chord diagram (mathematics)
    1007/978-3-030-81097-9_16, ISBN 978-3-030-81096-2, S2CID 236150713 Ghys, Étienne (2017), A singular mathematical promenade, Lyon: ENS Éditions, arXiv:1612...
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    Huygens and the Mathematization of Nature. Cambridge University Press. Ghys, Étienne; Tabachnikov, Sergei; Timorin, Vladlen (2013). "Osculating curves: around...
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  • Thumbnail for Hyperbolic group
    Ghys & de la Harpe 1990, Ch. 8, Th. 37. Bridson & Haefliger 1999, Chapter 3.Γ, Corollary 3.10.. Bowditch 2006, (F4) in paragraph 6.11.2. Ghys & de...
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  • Moreno De Pauw 2017: Robbe Ghys 2018: Fabio Van Den Bossche 2019: Kenny De Ketele 2020-2021: Not organised 2022: Robbe Ghys 2023: Brent Van Mulders 1961:...
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  • Thumbnail for Oscar II
    September 2018. The scientific legacy of Poincaré. Charpentier, Éric., Ghys, E. (Etienne), Lesne, Annick. Providence, R.I.: American Mathematical Society....
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  • Thumbnail for Separable permutation
    Letters, 65 (5): 277–283, doi:10.1016/S0020-0190(97)00209-3, MR 1620935. Ghys, Étienne (2017), A singular mathematical promenade, Lyon: ENS Éditions, arXiv:1612...
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  • Thumbnail for Osculating circle
    {t}{2}}\right)\right|}}} Circle packing theorem Osculating curve Osculating sphere Ghys, Étienne; Tabachnikov, Sergei; Timorin, Vladlen (2013). "Osculating curves: around...
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  • Thumbnail for Six Days of Ghent
     Kenny De Ketele (BEL)  Robbe Ghys (BEL)  Jasper De Buyst (BEL)  Tosh Van der Sande (BEL) 2019  Kenny De Ketele (BEL)  Robbe Ghys (BEL)  Jasper De Buyst (BEL)...
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  • Thumbnail for Gromov boundary
    vol. 1441, Springer-Verlag, ISBN 3-540-52977-2 de la Harpe, Pierre; Ghys, Etienne (1990), Sur les groupes hyperboliques d'après Mikhael Gromov (in French)...
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    Emmanuelli (born 1976), rugby player Matar Fall (born 1982), footballer Henri Ghys (1839–1908), composer and pianist Anne Golon (1921–2017), author, wrote a...
    41 KB (4,341 words) - 22:27, 2 October 2024