<\/p>\n\n\n\n
La g\u00e9om\u00e9trie des lettres de l’alphabet<\/a>, Institut de France, octobre 2022.<\/p>\n\n\n\n\n\n\n\nJeux de lumi\u00e8re<\/a>, CIRM, Marseille, octobre 2021.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/iframe><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/wp-admin\/post.php?post=1950&action=edit\">Napol\u00e9on Bonaparte et la science<\/a>, Institut de France, mai 2021.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=pLTo8-sdqFA\" class=\"broken_link\">Le chaos, impr\u00e9visible mais compr\u00e9hensible,<\/a> Colloque Wright, Gen\u00e8ve, 2020.<\/li>\n<li><a href=\"https:\/\/www.canalacademie.com\/ida12364-Le-pouvoir-et-la-theorie-des-jeux.html?var_recherche=Ghys\" class=\"broken_link\">Le pouvoir et la th\u00e9orie des jeux<\/a>, Acad\u00e9mie des sciences morales et politiques, f\u00e9vrier 2020.<\/li>\n<li>Interviews, <a href=\"https:\/\/www.youtube.com\/watch?v=BaKAFCbmE9s\" class=\"broken_link\">partie 1<\/a>, <a href=\"https:\/\/www.youtube.com\/watch?v=w-dp75-vKa0\" class=\"broken_link\">2<\/a>, <a href=\"https:\/\/www.youtube.com\/watch?v=GypC3DY_5vM\" class=\"broken_link\">3<\/a>, <a href=\"https:\/\/www.youtube.com\/watch?v=7HkcMrAlccM\" class=\"broken_link\">4<\/a>, <a href=\"https:\/\/www.youtube.com\/watch?v=QMNpivEhYQI\" class=\"broken_link\">5<\/a>, janvier 2020.<\/li>\n<li><a href=\"https:\/\/public.weconext.eu\/academie-sciences\/2019-10-01\/video_id_001\/index.html\" class=\"broken_link\">Le paysage math\u00e9matique de Jean-Christophe Yoccoz et Michel Herman<\/a>, Acad\u00e9mie des sciences, octobre 2019.<\/li>\n<li><a href=\"https:\/\/youtu.be\/4TqclTC6OIk\" class=\"broken_link\">Parcours d’un math\u00e9maticien<\/a>, ENS Paris, 2019.<\/li>\n<li><a href=\"https:\/\/youtu.be\/wUb-S5Gv6FY\" class=\"broken_link\">Monge and optimal transport<\/a>, 1st Brazilian-French meeting, Rio de Janeiro, juillet 2019.<\/li>\n<li><a href=\"https:\/\/youtu.be\/l3a71TdNMpk\" class=\"broken_link\">Gauss and Topography,<\/a> 1st Brazilian-French meeting, Rio de Janeiro, juillet 2019.<\/li>\n<li><a href=\"https:\/\/youtu.be\/LdD78dv7EoI?list=PLo4jXE-LdDTSkFzncgxRlQkQNfJ6JXu4K\" class=\"broken_link\">Hadamard and geodesics on negatively curved surfaces<\/a>, 1st Brazilian-French meeting, Rio de Janeiro, juillet 2019.<\/li>\n<li><a href=\"https:\/\/youtu.be\/d_st6Nd4sv8?list=PLo4jXE-LdDTSkFzncgxRlQkQNfJ6JXu4K\">Poincar\u00e9 and geodesics on positively curved surfaces<\/a>, 1st Brazilian-French meeting, Rio de Janeiro, juillet 2019.<\/li>\n<li><a href=\"https:\/\/youtu.be\/zPG7QrsixQ8\">Birkhoff and the ergodic theorem<\/a>, 1st Brazilian-French meeting, Rio de Janeiro, juillet 2019.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=Nt4oWUT9KD8\" class=\"broken_link\">Le jeu de la vie<\/a>, Acad\u00e9mie des sciences, Paris, mars 2019.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=ufwh0Og6n0k&list=PLy5f3R-3cA5Hz1-o58NrYuu1JUGDit_c6\" class=\"broken_link\">Une promenade dans le monde math\u00e9matique<\/a>, Acad\u00e9mie des sciences, janvier 2019.<\/li>\n<li><a href=\"https:\/\/public.weconext.eu\/academie-sciences\/2018-10-09_5a7\/video_id_004\/index.html\" class=\"broken_link\">La coupe des pierres, une source de th\u00e9or\u00e8mes math\u00e9matiques<\/a>, Acad\u00e9mie des sciences, octobre 2018.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=Cmt0YA3To7M\" class=\"broken_link\">A geometria dos flocos de neve<\/a>, (em portugu\u00eas) Rio de Janeiro, ICM 2018, ao\u00fbt 2018.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=xegIqT6oBAc\">La passion selon Amp\u00e8re<\/a>, CultureGnum, juin 2018.<\/li>\n<li><a href=\"https:\/\/www.lemonde.fr\/mathematiques\/video\/2018\/03\/29\/mathematiques-pierre-simon-de-laplace-par-etienne-ghys_5278196_1650729.html\">Pierre Simon de Laplace<\/a>, Le Monde, avril 2018.<\/li>\n<li><a href=\"https:\/\/www.lemonde.fr\/mathematiques\/video\/2018\/03\/22\/carl-friedrich-gauss-par-etienne-ghys_5274719_1650729.html\">Carl Friedrich Gauss<\/a>, Le Monde, avril 2018.<\/li>\n<li><a href=\"https:\/\/www.lemonde.fr\/sciences\/video\/2018\/04\/06\/mathematiques-leonhard-euler-par-etienne-ghys_5281857_1650684.html\">Leonhard Euler<\/a>, Le Monde, avril 2018.<\/li>\n<li><a href=\"http:\/\/public.weconext.eu\/academie-sciences\/2017-10-03_5a7\/video_id_001\/index.html\" class=\"broken_link\">Poincar\u00e9 et les espaces<\/a>, 5 \u00e0 7 de l’Acad\u00e9mie des Sciences, <a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/articles\/espace3d.pdf\">texte<\/a>, octobre 2017.<\/li>\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/audio\/irrationnel.mov\">L’irrationnel<\/a> (audio), S\u00e9ance de rentr\u00e9e de l’Institut, <a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/articles\/Irrationnel.pdf\">texte<\/a>, octobre 2017.<\/li>\n<li><a href=\"https:\/\/www.college-de-france.fr\/site\/en-pierre-louis-lions\/symposium-2017-05-30-09h30.htm\" class=\"broken_link\">Singularities of real analytic curves<\/a>, 2017, Colloque \u00e0 la m\u00e9moire de JC Yoccoz, Paris 2017. Quase <a href=\"http:\/\/tv.up.pt\/videos\/vfnlz_wl\" class=\"broken_link\">a mesma palestra<\/a> em portug\u00eas, O Porto, 2017.<\/li>\n<li><a href=\"https:\/\/livestream.com\/fcglive\/20170925ConferenciaEtienneGhys\/videos\/163350033\" class=\"broken_link\">Engarrafamentos nas cidades<\/a>, Lisboa 2017.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=kt_aA_t9WEw&list=PLo4jXE-LdDTSuaUUzLTj0WGgPEeX_5lHX\" class=\"broken_link\">Topicos da teoria das singularidades<\/a>, 23 le\u00e7ons (en portugais) Rio de Janeiro, Janeiro-Fevereiro 2017.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=91OBnOXXqq8\" class=\"broken_link\">Conf\u00e9rence APMEP<\/a>, Lyon Novembre 2016.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=VJhIt-CCJWE\" class=\"broken_link\">Some open questions<\/a>, Teresopolis, Groups acting on manifolds, June 2016.<\/li>\n<li><a href=\"http:\/\/ghys.disque.math.cnrs.fr\/video\/paques.m4v\" class=\"broken_link\">La date de P\u00e2ques<\/a>, Mus\u00e9e des confluences, <a href=\"https:\/\/vimeo.com\/191771879\" class=\"broken_link\">Les math\u00e9matiques du ciel<\/a>, 2016.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=LFxkVS9vK24\">Un homme pourra-t-il un jour courir 100 m\u00e8tres en moins de 9 secondes ?<\/a>, mars 2016.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=UA5YhXFiiSk\" class=\"broken_link\">Dancing vortices<\/a>, Oxford, octobre 2015.<\/li>\n<li>Meus grupos favoritos, IMPA, mai 2015.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=JgXEuPLTad8\" class=\"broken_link\">A beleza da matematica<\/a>, O valor da Ciencia, Rio de Janeiro, mai 2015.<a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/articles\/belezapalestra.pdf\"> Texte.pdf<\/a> <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/beleza.pdf\" class=\"broken_link\">Fichier pdf.<\/a><\/li>\n<li><a href=\"http:\/\/www.academie-sciences.fr\/fr\/Colloques-conferences-et-debats-par-et-pour-la-communaute-scientifique\/lisses-ondulees-froissees-ou-rugueuses-les-surfaces-dans-tous-leurs-etats.html\">Une br\u00e8ve histoire de la g\u00e9om\u00e9trie des surfaces<\/a>, Acad\u00e9mie des sciences, avril 2015. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/HistoireSurfaces.pdf\" class=\"broken_link\">Fichier pdf.<\/a><\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=WmqISMJMq44\">My favorite groups<\/a>, CIRM, Marseille, janvier 2015.<\/li>\n<li><a href=\"http:\/\/media.scgp.stonybrook.edu\/video\/video.php?f=20150122_3_qtp.mp4\" class=\"broken_link\">Intersecting and non-intersecting real algebraic curves<\/a>, Dela Pietra lecture (Technical lecture), Simons Insitute, Stony Brook, janvier 2015.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=5ScppHlYD08\">The geometry of soccer balls<\/a>, Dela Pietra lecture (High school lecture), Simons Insitute, Stony Brook, janvier 2015. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/DellaPietraHighschool.pdf\" class=\"broken_link\">Fichier pdf<\/a><\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=yB_62lNlp_A\" class=\"broken_link\">The story of flat surfaces<\/a>, Dela Pietra lecture (public lecture), Simons Insitute, Stony Brook, janvier 2015. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/DellaPietraGeneralPublic.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=TOGa--oh-Tg\" class=\"broken_link\">The work of Artur Avila<\/a>, International Congress of Mathematicians, ao\u00fbt 2014. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Ghys-Laudatio-Avila.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"http:\/\/www.cornell.edu\/video\/etienne-ghys-foliations-whats-next-after-thurston\" class=\"broken_link\">Foliations, what’s next after Thurston<\/a>, What’s Next? The mathematical legacy of Bill Thurston, Cornell University, juin 2014. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Thurston-Cornell.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"http:\/\/savoirs.ens.fr\/expose.php?id=1731\" class=\"broken_link\">\u00ab\u00a0La g\u00e9om\u00e9trie et la mode\u00a0\u00bb<\/a>, La nuit des sciences, ENS, juin 2014, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/ENS.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=LuL3ynXujEE\" class=\"broken_link\">Mathematics of clothing design<\/a>, Public lecture, Stanford, avril 2014, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Stanford.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=ECgTMh0pf3Y\" class=\"broken_link\">Classificacao de fluxos de Anosov ?<\/a>, Conferencia Magna, Rio de Janeiro, mai 2014.<\/li>\n<li><a href=\"https:\/\/www.dailymotion.com\/video\/x6e25o1\" class=\"broken_link\">Et si le th\u00e9or\u00e8me de Pythagore n’\u00e9tait pas vrai ?<\/a>, Les Ernest, janvier 2014, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/ernest.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"https:\/\/video.ias.edu\/ruthirving\/2013\/1030-EtienneGhys\" class=\"broken_link\">Dynamics in Dimension 3: Geometry of Birkhoff Section, <\/a>Fourth Ruth and Irving Adler, IAS, Princeton, octobre 2013<a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/coloquio.pdf\" class=\"broken_link\">.<\/a><\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=JcPQZFhzBFo&t=4s\" class=\"broken_link\">O conceito de bifurca\u00e7\u00e3o, <\/a>Rio de Janeiro, juillet 2013. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/coloquio.pdf\" class=\"broken_link\">Fichier pdf.<\/a><\/li>\n<li><a href=\"http:\/\/www.academie-sciences.fr\/fr\/Colloques\/tricentenaire-de-clairaut-mathematicien-et-geophysicien.html\">\u00ab\u00a0Les \u00e9l\u00e9ments de g\u00e9om\u00e9trie\u00a0\u00bb de Clairaut (1741) : une mani\u00e8re moderne d’enseigner la g\u00e9om\u00e9trie ?<\/a>, Colloque Clairaut, Acad\u00e9mie des sciences, mai 2013. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Clairaut.pdf\" class=\"broken_link\">Fichier pdf. <\/a><a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Clairaut-oral.pdf\" class=\"broken_link\">Texte pdf<\/a><\/li>\n<li><a href=\"http:\/\/www.youtube.com\/watch?v=BwbwpTbwdeg\" class=\"broken_link\">Inner simplicity vs. outer simplicity<\/a>, Simplicity: Ideals of Practice in Mathematics and the Arts Graduate Center, <a href=\"https:\/\/www.youtube.com\/watch?v=BwbwpTbwdeg\" class=\"broken_link\">City University of New York<\/a>, avril 3-5, 2013. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Simplicity.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=5NbbEMJ85vI\">Poincar\u00e9 and probability<\/a>, Col\u00f3quio Interdisciplinar Henri Poincar\u00e9, Rio de Janeiro, novembre 2012.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=21fHNMccrY8&list=PL9kd4mpdvWcC6N3RDZXlN2-gCsX3daAhK\" class=\"broken_link\">Le retour de Monsieur Poincar\u00e9<\/a>, Ouverture du Colloque Poincar\u00e9, Amphith\u00e9\u00e2tre de la Sorbonne, Paris, novembre 2012. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Sorbonne.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"http:\/\/www.dailymotion.com\/video\/xri60u_ems-130-ghys_tech\" class=\"broken_link\">Monge and optimal transport<\/a>, Edinburgh mathematical society, juin 2012. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Monge-Hardy.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"http:\/\/www.youtube.com\/watch?v=PMXpBolko0o\" class=\"broken_link\">Nuit de l’incertitude<\/a>, Fondation Cartier, avec Don Zagier, Paris, mars 2012. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Incertitude.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"http:\/\/journees-louis-antoine.univ-rennes1.fr\/LA-Films.html\" class=\"broken_link\">H\u00e9licit\u00e9, enlacement, chiralit\u00e9<\/a>, trois conf\u00e9rences (<a href=\"http:\/\/mediaserver.univ-rennes1.fr\/videos\/?video=MEDIA111109095443548\" class=\"broken_link\">un<\/a>, <a href=\"http:\/\/mediaserver.univ-rennes1.fr\/videos\/?video=MEDIA111109095705525\" class=\"broken_link\">deux<\/a> et <a href=\"http:\/\/mediaserver.univ-rennes1.fr\/videos\/?video=MEDIA111109095924124\" class=\"broken_link\">trois<\/a>), Journ\u00e9es Louis Antoine, Rennes, octobre 2011.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=bFLoGTz8AA8&list=PLo4jXE-LdDTTyWFmPWm-KqpYXT1VHFMCu&index=8\" class=\"broken_link\">From Chebyshev nets to Painlev\u00e9 differential equation, <\/a>avril 2011, Rio de Janeiro, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Cloth.pdf\" class=\"broken_link\">Fichier pdf<\/a>, <a href=\"https:\/\/videos.univ-grenoble-alpes.fr\/video\/3670-la-coupe-des-vetements-selon-tchebychev-par-etienne-ghys\/\" class=\"broken_link\">Sur la coupe des v\u00eatements, selon Tchebyshev<\/a>, conf\u00e9rence au congr\u00e8s annuel de l’APMEP, octobre 2011, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/APMEP.pdf\" class=\"broken_link\">Fichier pdf<\/a>. Presque la m\u00eame conf\u00e9rence en anglais, <a href=\"https:\/\/www.youtube.com\/watch?v=1EoUBwwl8-k\">When Mathematicians use Geometry to Cut Cloth<\/a>, TIFR (Bombay), 2012.<\/li>\n<li><a href=\"http:\/\/math.jacobs-university.de\/summerschool\/2011\/videos\/index.php\">Surfaces and geometry<\/a>, trois conf\u00e9rences (jours 2,4,5) International Summer School, juillet 2011.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=QUlxyv3x5yY\">A guided tour of the seventh dimension<\/a>, Science Abel Lecture, Oslo, juin 2011. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Oslo.pdf\" class=\"broken_link\">Fichier pdf<\/a><\/li>\n<li>The uniformization theorem: old and new, 8 conf\u00e9rences, escola de altos estudos, Rio de Janeiro, April 2011.<\/li>\n<li><a href=\"http:\/\/vimeo.com\/20388468\" class=\"broken_link\">Les maths ne sont qu’une histoire de groupes<\/a>, Ouverture du Colloque Clay sur la Conjecture de Poincar\u00e9, Paris, juin 2010 – Institut Oc\u00e9anographique, Paris. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Clay.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li>Le chaos math\u00e9matique, Math \u00e0 venir, d\u00e9cembre 2009. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/MathAVenir.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li>Chirality in dynamics. Rio de Janeiro, septembre 2009. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Chirality.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=69Hfmwy5lOo\" class=\"broken_link\">Les images comme symboles math\u00e9matiques<\/a>, Maubeuge, juin 2008, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Images-Maubeuge.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li>Harmonie et chaos dans les syst\u00e8mes dynamiques, Acad\u00e9mie des Sciences, octobre 2009. <a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/articles\/harmoniechaos.pdf\">Texte pdf<\/a>. <a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/audio\/harmonie.mp3\">Audio.mp3<\/a>.<\/li>\n<li>Groups acting on the circle, a selection of open problems. Les diablerets, mars 2008. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/diablerets.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"http:\/\/www.ens-lyon.fr\/asso\/groupe-seminaire\/seminaires\/voirsem.php?id=eghys2\">L’effet papillon<\/a>, s\u00e9minaire ENS Lyon, f\u00e9vrier 2008. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Papillon-ENS.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li>Osculating curves, Thurston’s 60th birthday, Princeton, Juin 2007. La m\u00eame <a href=\"https:\/\/www.youtube.com\/watch?v=vBNS0_-hEgE\">conference<\/a> en portugais (Rio, 26 coloquio) <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/curvas-osculatrizes.pdf\" class=\"broken_link\">Fichier pdf<\/a>, et en <a href=\"http:\/\/www.mathnet.ru\/php\/presentation.phtml?presentid=228&option_lang=eng\" class=\"broken_link\">anglais<\/a> : Dubna Summer School \u00ab\u00a0Contemporary Mathematics\u00a0\u00bb, 2008. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/courbes-osculatrices.pdf\" class=\"broken_link\">Fichier pdf<\/a> fran\u00e7ais.<\/li>\n<li>La th\u00e9orie des catastrophes, expos\u00e9 au lyc\u00e9e Jacquard, d\u00e9cembre 2006, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/catastrophes.pdf\" class=\"broken_link\">Fichier pdf.<\/a><\/li>\n<li><a href=\"http:\/\/planet-terre.ens-lyon.fr\/article\/forme-terre-Ghys_conf.xml\" class=\"broken_link\">La forme de la Terre<\/a> : un probl\u00e8me math\u00e9matique ? formaterre 2006, octobre 2006, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/forme-de-la-terre.pdf\" class=\"broken_link\">Fichier pdf<\/a>. Voir aussi l’<a href=\"http:\/\/www.josleys.com\/show_gallery.php?galid=313\" class=\"broken_link\">article<\/a> de Jos Leys.<\/li>\n<li><a href=\"https:\/\/www.mathunion.org\/icm\/icm-videos\/icm-2006-videos-madrid-spain\/icm-madrid-videos-24082006\" class=\"broken_link\">Knots and Dynamics<\/a>, <a href=\"https:\/\/www.mathunion.org\/icm\/icm-videos\/icm-2006-videos-madrid-spain\/icm-madrid-videos-24082006\" class=\"broken_link\">ICM Madrid<\/a>, Ao\u00fbt 2006, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/icm.pdf\" class=\"broken_link\">Fichier pdf<\/a>. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/icm.ppt\" class=\"broken_link\">Fichier ppt.<\/a><\/li>\n<li><a href=\"http:\/\/vimeo.com\/29838199\" class=\"broken_link\">Henri Poincar\u00e9 et le monde non euclidien<\/a>, Biblioth\u00e8que nationale de France, mars 2006. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/poincarenoneucidien.pdf\" class=\"broken_link\">Fichier pdf<\/a><\/li>\n<li><a href=\"http:\/\/semioweb.msh-paris.fr\/AAR\/412\/liste_conf.asp?id=412#Fibrations%20et%20submersions\" class=\"broken_link\">Fibrations et submersions<\/a>, Paris, mars 2005.<\/li>\n<li><a href=\"https:\/\/www.ms.u-tokyo.ac.jp\/video\/conference\/2003Geometry%20and%20Foliations\/cf2003-122.html\" class=\"broken_link\">The group of area preserving diffeomorphisms of a surface<\/a>, Kyoto, Japon, septembre 2003.<\/li>\n<li><a href=\"http:\/\/www.math.stonybrook.edu\/Videos\/Einstein\/674-20020919-Ghys.html\" class=\"broken_link\">The mystery of holomorphic laminations in the compex projective plane<\/a> CUNY New York 2002<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=a3yP6fg80FA\" class=\"broken_link\">Commutators and diffeomorphisms of surfaces<\/a>, IMPA 50 ans, Rio de Janeiro, juillet 2002.<\/li>\n<li><a href=\"http:\/\/semioweb.msh-paris.fr\/mathopales\/geoconf2000\/videotheque2.asp?cotevideo=3&fichiervideo=Ghys\" class=\"broken_link\">Les travaux de Calabi, Vesentini, Selberg et Weil sur la rigidit\u00e9 des r\u00e9seaux dans les groupes de Lie<\/a>, IHP Paris, septembre 2001.<\/li>\n<li><a href=\"http:\/\/www.ens-lyon.fr\/asso\/groupe-seminaire\/seminaires\/voirsem.php?id=eghys\">Le r\u00f4le des erreurs dans le d\u00e9veloppement des math\u00e9matiques<\/a> (l’exemple de l’histoire mouvement\u00e9e des cycles limites), ENS-Lyon mai 2001<a href=\"http:\/\/www.ens-lyon.fr\/asso\/groupe-seminaire\/seminaires\/voirsem.php?id=eghys\">. <\/a><a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/erreur-mathematiques\" class=\"broken_link\">Fichier ppt<\/a><\/li>\n<li><a href=\"https:\/\/www.math.stonybrook.edu\/Videos\/Around-Dynamics\/video_4x3.php?f=04-Ghys\" class=\"broken_link\">Some examples of differential equations in the complex domain<\/a>, Stony Brook, mars 2001.<\/li>\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/audio\/Pompidou.mp3\">Pavages d’hier et d’aujourd’hui<\/a>, Centre Pompidou, 2000 (audio)<a href=\"http:\/\/www.ens-lyon.fr\/asso\/groupe-seminaire\/seminaires\/voirsem.php?id=eghys\">. <\/a><\/li>\n<li><a href=\"http:\/\/www.math.stonybrook.edu\/Videos\/Einstein\/607A-19990420-Ghys.html\" class=\"broken_link\">Actions of Lattices on the Circle – Part 1<\/a> , <a href=\"http:\/\/www.math.stonybrook.edu\/Videos\/Einstein\/607B-19990420-Ghys.html\" class=\"broken_link\"> Part 2, <\/a><a href=\"http:\/\/www.math.stonybrook.edu\/Videos\/Einstein\/607C-19990420-Ghys.html\" class=\"broken_link\"> Part 3, <\/a><a href=\"http:\/\/www.math.stonybrook.edu\/Videos\/Einstein\/607D-19990420-Ghys.html\" class=\"broken_link\"> Part 4. <\/a> CUNY New York, 1999.<\/li>\n<li><a href=\"https:\/\/www.math.stonybrook.edu\/Videos\/Solenoid\/index.html\" class=\"broken_link\">Riemann surface laminations: uniformization and meromorphic functions (I,II,III)<\/a>, Stony Brook, Mai 1998.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>Quelques fichiers de conf\u00e9rences<\/h4>\n<ul>\n<li>L’histoire de la m\u00e9thode de Newton, ENS Lyon, mars 2015, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/MethodeNewton.pdf\" class=\"broken_link\">Fichier pdf<\/a><a href=\"http:\/\/www.ens-lyon.fr\/asso\/groupe-seminaire\/seminaires\/voirsem.php?id=eghys\">.<\/a><\/li>\n<li>Ronds de fum\u00e9e, ENS Lyon, novembre 2014, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Ronds.pdf\" class=\"broken_link\">Fichier pdf<\/a><a href=\"http:\/\/www.ens-lyon.fr\/asso\/groupe-seminaire\/seminaires\/voirsem.php?id=eghys\">.<\/a><\/li>\n<li>Le paradoxe de d’Alembert, ou pourquoi les oiseaux ne peuvent pas voler, ENS Lyon, d\u00e9cembre 2013, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/alembert.pdf\" class=\"broken_link\">Fichier pdf<\/a><a href=\"http:\/\/www.ens-lyon.fr\/asso\/groupe-seminaire\/seminaires\/voirsem.php?id=eghys\">.<\/a><\/li>\n<li>Comment donner une mauvaise conf\u00e9rence de vulgarisation math\u00e9matique ? Orl\u00e9ans, mai 2012, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Orleans.pdf\" class=\"broken_link\">Fichier pdf<\/a><a href=\"http:\/\/www.ens-lyon.fr\/asso\/groupe-seminaire\/seminaires\/voirsem.php?id=eghys\">.<\/a><\/li>\n<li>Poincar\u00e9, 8 ao\u00fbt 1881, premier \u00e9nonc\u00e9 du th\u00e9or\u00e8me d’uniformisation, Bucarest, mars 2012, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Bucarest.pdf\" class=\"broken_link\">Fichier pdf<\/a>, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Bucarest-notes.pdf\" class=\"broken_link\">Texte.pdf<\/a>.<\/li>\n<li>Jeux de cercles, congr\u00e8s Maths en Jeans, Gap, avril 2011, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Gap.pdf\" class=\"broken_link\">Fichier pdf<\/a><a href=\"http:\/\/www.ens-lyon.fr\/asso\/groupe-seminaire\/seminaires\/voirsem.php?id=eghys\">.<\/a><\/li>\n<\/ul>\n<\/div>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Napol\u00e9on Bonaparte et la science, par \u00c9tienne Ghys, Secr\u00e9taire perp\u00e9tuel de l\u2019Acad\u00e9mie des sciences\" width=\"604\" height=\"340\" src=\"https:\/\/www.youtube.com\/embed\/zUIzqJaeCX0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div class=\"grammarly-disable-indicator\"> <\/div>\n\n\n\n<div class=\"grammarly-disable-indicator\"> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Some online conferences La g\u00e9om\u00e9trie des lettres de l’alphabet, Institut de France, octobre 2022. Jeux de lumi\u00e8re, CIRM, Marseille, octobre 2021. Napol\u00e9on Bonaparte et la science, Institut de France, mai 2021. Le chaos, impr\u00e9visible mais compr\u00e9hensible, Colloque Wright, Gen\u00e8ve, 2020. Le pouvoir et la th\u00e9orie des jeux, Acad\u00e9mie des sciences morales et politiques, f\u00e9vrier 2020. Interviews, … <a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/conferences-2\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Conferences<\/span> <span class=\"meta-nav\">→<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","ub_ctt_via":"","_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"episode_type":"","audio_file":"","cover_image":"","cover_image_id":"","duration":"","filesize":"","date_recorded":"","explicit":"","block":"","itunes_episode_number":"","itunes_title":"","itunes_season_number":"","itunes_episode_type":"","filesize_raw":"","footnotes":""},"class_list":["post-19","page","type-page","status-publish","hentry"],"featured_image_src":null,"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Conferences - \u00c9tienne Ghys<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/perso.ens-lyon.fr\/ghys\/conferences-2\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Conferences - \u00c9tienne Ghys\" \/>\n<meta property=\"og:description\" content=\"Some online conferences La g\u00e9om\u00e9trie des lettres de l’alphabet, Institut de France, octobre 2022. 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Jeux de lumi\u00e8re, CIRM, Marseille, octobre 2021. Napol\u00e9on Bonaparte et la science, Institut de France, mai 2021. Le chaos, impr\u00e9visible mais compr\u00e9hensible, Colloque Wright, Gen\u00e8ve, 2020. Le pouvoir et la th\u00e9orie des jeux, Acad\u00e9mie des sciences morales et politiques, f\u00e9vrier 2020. Interviews,\u2026","_links":{"self":[{"href":"https:\/\/perso.ens-lyon.fr\/ghys\/wp-json\/wp\/v2\/pages\/19","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/perso.ens-lyon.fr\/ghys\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/perso.ens-lyon.fr\/ghys\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/perso.ens-lyon.fr\/ghys\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/perso.ens-lyon.fr\/ghys\/wp-json\/wp\/v2\/comments?post=19"}],"version-history":[{"count":64,"href":"https:\/\/perso.ens-lyon.fr\/ghys\/wp-json\/wp\/v2\/pages\/19\/revisions"}],"predecessor-version":[{"id":2602,"href":"https:\/\/perso.ens-lyon.fr\/ghys\/wp-json\/wp\/v2\/pages\/19\/revisions\/2602"}],"wp:attachment":[{"href":"https:\/\/perso.ens-lyon.fr\/ghys\/wp-json\/wp\/v2\/media?parent=19"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
<\/iframe><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/wp-admin\/post.php?post=1950&action=edit\">Napol\u00e9on Bonaparte et la science<\/a>, Institut de France, mai 2021.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=pLTo8-sdqFA\" class=\"broken_link\">Le chaos, impr\u00e9visible mais compr\u00e9hensible,<\/a> Colloque Wright, Gen\u00e8ve, 2020.<\/li>\n<li><a href=\"https:\/\/www.canalacademie.com\/ida12364-Le-pouvoir-et-la-theorie-des-jeux.html?var_recherche=Ghys\" class=\"broken_link\">Le pouvoir et la th\u00e9orie des jeux<\/a>, Acad\u00e9mie des sciences morales et politiques, f\u00e9vrier 2020.<\/li>\n<li>Interviews, <a href=\"https:\/\/www.youtube.com\/watch?v=BaKAFCbmE9s\" class=\"broken_link\">partie 1<\/a>, <a href=\"https:\/\/www.youtube.com\/watch?v=w-dp75-vKa0\" class=\"broken_link\">2<\/a>, <a href=\"https:\/\/www.youtube.com\/watch?v=GypC3DY_5vM\" class=\"broken_link\">3<\/a>, <a href=\"https:\/\/www.youtube.com\/watch?v=7HkcMrAlccM\" class=\"broken_link\">4<\/a>, <a href=\"https:\/\/www.youtube.com\/watch?v=QMNpivEhYQI\" class=\"broken_link\">5<\/a>, janvier 2020.<\/li>\n<li><a href=\"https:\/\/public.weconext.eu\/academie-sciences\/2019-10-01\/video_id_001\/index.html\" class=\"broken_link\">Le paysage math\u00e9matique de Jean-Christophe Yoccoz et Michel Herman<\/a>, Acad\u00e9mie des sciences, octobre 2019.<\/li>\n<li><a href=\"https:\/\/youtu.be\/4TqclTC6OIk\" class=\"broken_link\">Parcours d’un math\u00e9maticien<\/a>, ENS Paris, 2019.<\/li>\n<li><a href=\"https:\/\/youtu.be\/wUb-S5Gv6FY\" class=\"broken_link\">Monge and optimal transport<\/a>, 1st Brazilian-French meeting, Rio de Janeiro, juillet 2019.<\/li>\n<li><a href=\"https:\/\/youtu.be\/l3a71TdNMpk\" class=\"broken_link\">Gauss and Topography,<\/a> 1st Brazilian-French meeting, Rio de Janeiro, juillet 2019.<\/li>\n<li><a href=\"https:\/\/youtu.be\/LdD78dv7EoI?list=PLo4jXE-LdDTSkFzncgxRlQkQNfJ6JXu4K\" class=\"broken_link\">Hadamard and geodesics on negatively curved surfaces<\/a>, 1st Brazilian-French meeting, Rio de Janeiro, juillet 2019.<\/li>\n<li><a href=\"https:\/\/youtu.be\/d_st6Nd4sv8?list=PLo4jXE-LdDTSkFzncgxRlQkQNfJ6JXu4K\">Poincar\u00e9 and geodesics on positively curved surfaces<\/a>, 1st Brazilian-French meeting, Rio de Janeiro, juillet 2019.<\/li>\n<li><a href=\"https:\/\/youtu.be\/zPG7QrsixQ8\">Birkhoff and the ergodic theorem<\/a>, 1st Brazilian-French meeting, Rio de Janeiro, juillet 2019.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=Nt4oWUT9KD8\" class=\"broken_link\">Le jeu de la vie<\/a>, Acad\u00e9mie des sciences, Paris, mars 2019.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=ufwh0Og6n0k&list=PLy5f3R-3cA5Hz1-o58NrYuu1JUGDit_c6\" class=\"broken_link\">Une promenade dans le monde math\u00e9matique<\/a>, Acad\u00e9mie des sciences, janvier 2019.<\/li>\n<li><a href=\"https:\/\/public.weconext.eu\/academie-sciences\/2018-10-09_5a7\/video_id_004\/index.html\" class=\"broken_link\">La coupe des pierres, une source de th\u00e9or\u00e8mes math\u00e9matiques<\/a>, Acad\u00e9mie des sciences, octobre 2018.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=Cmt0YA3To7M\" class=\"broken_link\">A geometria dos flocos de neve<\/a>, (em portugu\u00eas) Rio de Janeiro, ICM 2018, ao\u00fbt 2018.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=xegIqT6oBAc\">La passion selon Amp\u00e8re<\/a>, CultureGnum, juin 2018.<\/li>\n<li><a href=\"https:\/\/www.lemonde.fr\/mathematiques\/video\/2018\/03\/29\/mathematiques-pierre-simon-de-laplace-par-etienne-ghys_5278196_1650729.html\">Pierre Simon de Laplace<\/a>, Le Monde, avril 2018.<\/li>\n<li><a href=\"https:\/\/www.lemonde.fr\/mathematiques\/video\/2018\/03\/22\/carl-friedrich-gauss-par-etienne-ghys_5274719_1650729.html\">Carl Friedrich Gauss<\/a>, Le Monde, avril 2018.<\/li>\n<li><a href=\"https:\/\/www.lemonde.fr\/sciences\/video\/2018\/04\/06\/mathematiques-leonhard-euler-par-etienne-ghys_5281857_1650684.html\">Leonhard Euler<\/a>, Le Monde, avril 2018.<\/li>\n<li><a href=\"http:\/\/public.weconext.eu\/academie-sciences\/2017-10-03_5a7\/video_id_001\/index.html\" class=\"broken_link\">Poincar\u00e9 et les espaces<\/a>, 5 \u00e0 7 de l’Acad\u00e9mie des Sciences, <a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/articles\/espace3d.pdf\">texte<\/a>, octobre 2017.<\/li>\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/audio\/irrationnel.mov\">L’irrationnel<\/a> (audio), S\u00e9ance de rentr\u00e9e de l’Institut, <a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/articles\/Irrationnel.pdf\">texte<\/a>, octobre 2017.<\/li>\n<li><a href=\"https:\/\/www.college-de-france.fr\/site\/en-pierre-louis-lions\/symposium-2017-05-30-09h30.htm\" class=\"broken_link\">Singularities of real analytic curves<\/a>, 2017, Colloque \u00e0 la m\u00e9moire de JC Yoccoz, Paris 2017. Quase <a href=\"http:\/\/tv.up.pt\/videos\/vfnlz_wl\" class=\"broken_link\">a mesma palestra<\/a> em portug\u00eas, O Porto, 2017.<\/li>\n<li><a href=\"https:\/\/livestream.com\/fcglive\/20170925ConferenciaEtienneGhys\/videos\/163350033\" class=\"broken_link\">Engarrafamentos nas cidades<\/a>, Lisboa 2017.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=kt_aA_t9WEw&list=PLo4jXE-LdDTSuaUUzLTj0WGgPEeX_5lHX\" class=\"broken_link\">Topicos da teoria das singularidades<\/a>, 23 le\u00e7ons (en portugais) Rio de Janeiro, Janeiro-Fevereiro 2017.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=91OBnOXXqq8\" class=\"broken_link\">Conf\u00e9rence APMEP<\/a>, Lyon Novembre 2016.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=VJhIt-CCJWE\" class=\"broken_link\">Some open questions<\/a>, Teresopolis, Groups acting on manifolds, June 2016.<\/li>\n<li><a href=\"http:\/\/ghys.disque.math.cnrs.fr\/video\/paques.m4v\" class=\"broken_link\">La date de P\u00e2ques<\/a>, Mus\u00e9e des confluences, <a href=\"https:\/\/vimeo.com\/191771879\" class=\"broken_link\">Les math\u00e9matiques du ciel<\/a>, 2016.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=LFxkVS9vK24\">Un homme pourra-t-il un jour courir 100 m\u00e8tres en moins de 9 secondes ?<\/a>, mars 2016.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=UA5YhXFiiSk\" class=\"broken_link\">Dancing vortices<\/a>, Oxford, octobre 2015.<\/li>\n<li>Meus grupos favoritos, IMPA, mai 2015.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=JgXEuPLTad8\" class=\"broken_link\">A beleza da matematica<\/a>, O valor da Ciencia, Rio de Janeiro, mai 2015.<a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/articles\/belezapalestra.pdf\"> Texte.pdf<\/a> <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/beleza.pdf\" class=\"broken_link\">Fichier pdf.<\/a><\/li>\n<li><a href=\"http:\/\/www.academie-sciences.fr\/fr\/Colloques-conferences-et-debats-par-et-pour-la-communaute-scientifique\/lisses-ondulees-froissees-ou-rugueuses-les-surfaces-dans-tous-leurs-etats.html\">Une br\u00e8ve histoire de la g\u00e9om\u00e9trie des surfaces<\/a>, Acad\u00e9mie des sciences, avril 2015. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/HistoireSurfaces.pdf\" class=\"broken_link\">Fichier pdf.<\/a><\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=WmqISMJMq44\">My favorite groups<\/a>, CIRM, Marseille, janvier 2015.<\/li>\n<li><a href=\"http:\/\/media.scgp.stonybrook.edu\/video\/video.php?f=20150122_3_qtp.mp4\" class=\"broken_link\">Intersecting and non-intersecting real algebraic curves<\/a>, Dela Pietra lecture (Technical lecture), Simons Insitute, Stony Brook, janvier 2015.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=5ScppHlYD08\">The geometry of soccer balls<\/a>, Dela Pietra lecture (High school lecture), Simons Insitute, Stony Brook, janvier 2015. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/DellaPietraHighschool.pdf\" class=\"broken_link\">Fichier pdf<\/a><\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=yB_62lNlp_A\" class=\"broken_link\">The story of flat surfaces<\/a>, Dela Pietra lecture (public lecture), Simons Insitute, Stony Brook, janvier 2015. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/DellaPietraGeneralPublic.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=TOGa--oh-Tg\" class=\"broken_link\">The work of Artur Avila<\/a>, International Congress of Mathematicians, ao\u00fbt 2014. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Ghys-Laudatio-Avila.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"http:\/\/www.cornell.edu\/video\/etienne-ghys-foliations-whats-next-after-thurston\" class=\"broken_link\">Foliations, what’s next after Thurston<\/a>, What’s Next? The mathematical legacy of Bill Thurston, Cornell University, juin 2014. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Thurston-Cornell.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"http:\/\/savoirs.ens.fr\/expose.php?id=1731\" class=\"broken_link\">\u00ab\u00a0La g\u00e9om\u00e9trie et la mode\u00a0\u00bb<\/a>, La nuit des sciences, ENS, juin 2014, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/ENS.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=LuL3ynXujEE\" class=\"broken_link\">Mathematics of clothing design<\/a>, Public lecture, Stanford, avril 2014, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Stanford.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=ECgTMh0pf3Y\" class=\"broken_link\">Classificacao de fluxos de Anosov ?<\/a>, Conferencia Magna, Rio de Janeiro, mai 2014.<\/li>\n<li><a href=\"https:\/\/www.dailymotion.com\/video\/x6e25o1\" class=\"broken_link\">Et si le th\u00e9or\u00e8me de Pythagore n’\u00e9tait pas vrai ?<\/a>, Les Ernest, janvier 2014, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/ernest.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"https:\/\/video.ias.edu\/ruthirving\/2013\/1030-EtienneGhys\" class=\"broken_link\">Dynamics in Dimension 3: Geometry of Birkhoff Section, <\/a>Fourth Ruth and Irving Adler, IAS, Princeton, octobre 2013<a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/coloquio.pdf\" class=\"broken_link\">.<\/a><\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=JcPQZFhzBFo&t=4s\" class=\"broken_link\">O conceito de bifurca\u00e7\u00e3o, <\/a>Rio de Janeiro, juillet 2013. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/coloquio.pdf\" class=\"broken_link\">Fichier pdf.<\/a><\/li>\n<li><a href=\"http:\/\/www.academie-sciences.fr\/fr\/Colloques\/tricentenaire-de-clairaut-mathematicien-et-geophysicien.html\">\u00ab\u00a0Les \u00e9l\u00e9ments de g\u00e9om\u00e9trie\u00a0\u00bb de Clairaut (1741) : une mani\u00e8re moderne d’enseigner la g\u00e9om\u00e9trie ?<\/a>, Colloque Clairaut, Acad\u00e9mie des sciences, mai 2013. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Clairaut.pdf\" class=\"broken_link\">Fichier pdf. <\/a><a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Clairaut-oral.pdf\" class=\"broken_link\">Texte pdf<\/a><\/li>\n<li><a href=\"http:\/\/www.youtube.com\/watch?v=BwbwpTbwdeg\" class=\"broken_link\">Inner simplicity vs. outer simplicity<\/a>, Simplicity: Ideals of Practice in Mathematics and the Arts Graduate Center, <a href=\"https:\/\/www.youtube.com\/watch?v=BwbwpTbwdeg\" class=\"broken_link\">City University of New York<\/a>, avril 3-5, 2013. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Simplicity.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=5NbbEMJ85vI\">Poincar\u00e9 and probability<\/a>, Col\u00f3quio Interdisciplinar Henri Poincar\u00e9, Rio de Janeiro, novembre 2012.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=21fHNMccrY8&list=PL9kd4mpdvWcC6N3RDZXlN2-gCsX3daAhK\" class=\"broken_link\">Le retour de Monsieur Poincar\u00e9<\/a>, Ouverture du Colloque Poincar\u00e9, Amphith\u00e9\u00e2tre de la Sorbonne, Paris, novembre 2012. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Sorbonne.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"http:\/\/www.dailymotion.com\/video\/xri60u_ems-130-ghys_tech\" class=\"broken_link\">Monge and optimal transport<\/a>, Edinburgh mathematical society, juin 2012. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Monge-Hardy.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"http:\/\/www.youtube.com\/watch?v=PMXpBolko0o\" class=\"broken_link\">Nuit de l’incertitude<\/a>, Fondation Cartier, avec Don Zagier, Paris, mars 2012. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Incertitude.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"http:\/\/journees-louis-antoine.univ-rennes1.fr\/LA-Films.html\" class=\"broken_link\">H\u00e9licit\u00e9, enlacement, chiralit\u00e9<\/a>, trois conf\u00e9rences (<a href=\"http:\/\/mediaserver.univ-rennes1.fr\/videos\/?video=MEDIA111109095443548\" class=\"broken_link\">un<\/a>, <a href=\"http:\/\/mediaserver.univ-rennes1.fr\/videos\/?video=MEDIA111109095705525\" class=\"broken_link\">deux<\/a> et <a href=\"http:\/\/mediaserver.univ-rennes1.fr\/videos\/?video=MEDIA111109095924124\" class=\"broken_link\">trois<\/a>), Journ\u00e9es Louis Antoine, Rennes, octobre 2011.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=bFLoGTz8AA8&list=PLo4jXE-LdDTTyWFmPWm-KqpYXT1VHFMCu&index=8\" class=\"broken_link\">From Chebyshev nets to Painlev\u00e9 differential equation, <\/a>avril 2011, Rio de Janeiro, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Cloth.pdf\" class=\"broken_link\">Fichier pdf<\/a>, <a href=\"https:\/\/videos.univ-grenoble-alpes.fr\/video\/3670-la-coupe-des-vetements-selon-tchebychev-par-etienne-ghys\/\" class=\"broken_link\">Sur la coupe des v\u00eatements, selon Tchebyshev<\/a>, conf\u00e9rence au congr\u00e8s annuel de l’APMEP, octobre 2011, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/APMEP.pdf\" class=\"broken_link\">Fichier pdf<\/a>. Presque la m\u00eame conf\u00e9rence en anglais, <a href=\"https:\/\/www.youtube.com\/watch?v=1EoUBwwl8-k\">When Mathematicians use Geometry to Cut Cloth<\/a>, TIFR (Bombay), 2012.<\/li>\n<li><a href=\"http:\/\/math.jacobs-university.de\/summerschool\/2011\/videos\/index.php\">Surfaces and geometry<\/a>, trois conf\u00e9rences (jours 2,4,5) International Summer School, juillet 2011.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=QUlxyv3x5yY\">A guided tour of the seventh dimension<\/a>, Science Abel Lecture, Oslo, juin 2011. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Oslo.pdf\" class=\"broken_link\">Fichier pdf<\/a><\/li>\n<li>The uniformization theorem: old and new, 8 conf\u00e9rences, escola de altos estudos, Rio de Janeiro, April 2011.<\/li>\n<li><a href=\"http:\/\/vimeo.com\/20388468\" class=\"broken_link\">Les maths ne sont qu’une histoire de groupes<\/a>, Ouverture du Colloque Clay sur la Conjecture de Poincar\u00e9, Paris, juin 2010 – Institut Oc\u00e9anographique, Paris. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Clay.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li>Le chaos math\u00e9matique, Math \u00e0 venir, d\u00e9cembre 2009. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/MathAVenir.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li>Chirality in dynamics. Rio de Janeiro, septembre 2009. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Chirality.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=69Hfmwy5lOo\" class=\"broken_link\">Les images comme symboles math\u00e9matiques<\/a>, Maubeuge, juin 2008, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Images-Maubeuge.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li>Harmonie et chaos dans les syst\u00e8mes dynamiques, Acad\u00e9mie des Sciences, octobre 2009. <a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/articles\/harmoniechaos.pdf\">Texte pdf<\/a>. <a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/audio\/harmonie.mp3\">Audio.mp3<\/a>.<\/li>\n<li>Groups acting on the circle, a selection of open problems. Les diablerets, mars 2008. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/diablerets.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li><a href=\"http:\/\/www.ens-lyon.fr\/asso\/groupe-seminaire\/seminaires\/voirsem.php?id=eghys2\">L’effet papillon<\/a>, s\u00e9minaire ENS Lyon, f\u00e9vrier 2008. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Papillon-ENS.pdf\" class=\"broken_link\">Fichier pdf<\/a>.<\/li>\n<li>Osculating curves, Thurston’s 60th birthday, Princeton, Juin 2007. La m\u00eame <a href=\"https:\/\/www.youtube.com\/watch?v=vBNS0_-hEgE\">conference<\/a> en portugais (Rio, 26 coloquio) <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/curvas-osculatrizes.pdf\" class=\"broken_link\">Fichier pdf<\/a>, et en <a href=\"http:\/\/www.mathnet.ru\/php\/presentation.phtml?presentid=228&option_lang=eng\" class=\"broken_link\">anglais<\/a> : Dubna Summer School \u00ab\u00a0Contemporary Mathematics\u00a0\u00bb, 2008. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/courbes-osculatrices.pdf\" class=\"broken_link\">Fichier pdf<\/a> fran\u00e7ais.<\/li>\n<li>La th\u00e9orie des catastrophes, expos\u00e9 au lyc\u00e9e Jacquard, d\u00e9cembre 2006, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/catastrophes.pdf\" class=\"broken_link\">Fichier pdf.<\/a><\/li>\n<li><a href=\"http:\/\/planet-terre.ens-lyon.fr\/article\/forme-terre-Ghys_conf.xml\" class=\"broken_link\">La forme de la Terre<\/a> : un probl\u00e8me math\u00e9matique ? formaterre 2006, octobre 2006, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/forme-de-la-terre.pdf\" class=\"broken_link\">Fichier pdf<\/a>. Voir aussi l’<a href=\"http:\/\/www.josleys.com\/show_gallery.php?galid=313\" class=\"broken_link\">article<\/a> de Jos Leys.<\/li>\n<li><a href=\"https:\/\/www.mathunion.org\/icm\/icm-videos\/icm-2006-videos-madrid-spain\/icm-madrid-videos-24082006\" class=\"broken_link\">Knots and Dynamics<\/a>, <a href=\"https:\/\/www.mathunion.org\/icm\/icm-videos\/icm-2006-videos-madrid-spain\/icm-madrid-videos-24082006\" class=\"broken_link\">ICM Madrid<\/a>, Ao\u00fbt 2006, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/icm.pdf\" class=\"broken_link\">Fichier pdf<\/a>. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/icm.ppt\" class=\"broken_link\">Fichier ppt.<\/a><\/li>\n<li><a href=\"http:\/\/vimeo.com\/29838199\" class=\"broken_link\">Henri Poincar\u00e9 et le monde non euclidien<\/a>, Biblioth\u00e8que nationale de France, mars 2006. <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/poincarenoneucidien.pdf\" class=\"broken_link\">Fichier pdf<\/a><\/li>\n<li><a href=\"http:\/\/semioweb.msh-paris.fr\/AAR\/412\/liste_conf.asp?id=412#Fibrations%20et%20submersions\" class=\"broken_link\">Fibrations et submersions<\/a>, Paris, mars 2005.<\/li>\n<li><a href=\"https:\/\/www.ms.u-tokyo.ac.jp\/video\/conference\/2003Geometry%20and%20Foliations\/cf2003-122.html\" class=\"broken_link\">The group of area preserving diffeomorphisms of a surface<\/a>, Kyoto, Japon, septembre 2003.<\/li>\n<li><a href=\"http:\/\/www.math.stonybrook.edu\/Videos\/Einstein\/674-20020919-Ghys.html\" class=\"broken_link\">The mystery of holomorphic laminations in the compex projective plane<\/a> CUNY New York 2002<\/li>\n<li><a href=\"https:\/\/www.youtube.com\/watch?v=a3yP6fg80FA\" class=\"broken_link\">Commutators and diffeomorphisms of surfaces<\/a>, IMPA 50 ans, Rio de Janeiro, juillet 2002.<\/li>\n<li><a href=\"http:\/\/semioweb.msh-paris.fr\/mathopales\/geoconf2000\/videotheque2.asp?cotevideo=3&fichiervideo=Ghys\" class=\"broken_link\">Les travaux de Calabi, Vesentini, Selberg et Weil sur la rigidit\u00e9 des r\u00e9seaux dans les groupes de Lie<\/a>, IHP Paris, septembre 2001.<\/li>\n<li><a href=\"http:\/\/www.ens-lyon.fr\/asso\/groupe-seminaire\/seminaires\/voirsem.php?id=eghys\">Le r\u00f4le des erreurs dans le d\u00e9veloppement des math\u00e9matiques<\/a> (l’exemple de l’histoire mouvement\u00e9e des cycles limites), ENS-Lyon mai 2001<a href=\"http:\/\/www.ens-lyon.fr\/asso\/groupe-seminaire\/seminaires\/voirsem.php?id=eghys\">. <\/a><a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/erreur-mathematiques\" class=\"broken_link\">Fichier ppt<\/a><\/li>\n<li><a href=\"https:\/\/www.math.stonybrook.edu\/Videos\/Around-Dynamics\/video_4x3.php?f=04-Ghys\" class=\"broken_link\">Some examples of differential equations in the complex domain<\/a>, Stony Brook, mars 2001.<\/li>\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/audio\/Pompidou.mp3\">Pavages d’hier et d’aujourd’hui<\/a>, Centre Pompidou, 2000 (audio)<a href=\"http:\/\/www.ens-lyon.fr\/asso\/groupe-seminaire\/seminaires\/voirsem.php?id=eghys\">. <\/a><\/li>\n<li><a href=\"http:\/\/www.math.stonybrook.edu\/Videos\/Einstein\/607A-19990420-Ghys.html\" class=\"broken_link\">Actions of Lattices on the Circle – Part 1<\/a> , <a href=\"http:\/\/www.math.stonybrook.edu\/Videos\/Einstein\/607B-19990420-Ghys.html\" class=\"broken_link\"> Part 2, <\/a><a href=\"http:\/\/www.math.stonybrook.edu\/Videos\/Einstein\/607C-19990420-Ghys.html\" class=\"broken_link\"> Part 3, <\/a><a href=\"http:\/\/www.math.stonybrook.edu\/Videos\/Einstein\/607D-19990420-Ghys.html\" class=\"broken_link\"> Part 4. <\/a> CUNY New York, 1999.<\/li>\n<li><a href=\"https:\/\/www.math.stonybrook.edu\/Videos\/Solenoid\/index.html\" class=\"broken_link\">Riemann surface laminations: uniformization and meromorphic functions (I,II,III)<\/a>, Stony Brook, Mai 1998.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>Quelques fichiers de conf\u00e9rences<\/h4>\n<ul>\n<li>L’histoire de la m\u00e9thode de Newton, ENS Lyon, mars 2015, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/MethodeNewton.pdf\" class=\"broken_link\">Fichier pdf<\/a><a href=\"http:\/\/www.ens-lyon.fr\/asso\/groupe-seminaire\/seminaires\/voirsem.php?id=eghys\">.<\/a><\/li>\n<li>Ronds de fum\u00e9e, ENS Lyon, novembre 2014, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Ronds.pdf\" class=\"broken_link\">Fichier pdf<\/a><a href=\"http:\/\/www.ens-lyon.fr\/asso\/groupe-seminaire\/seminaires\/voirsem.php?id=eghys\">.<\/a><\/li>\n<li>Le paradoxe de d’Alembert, ou pourquoi les oiseaux ne peuvent pas voler, ENS Lyon, d\u00e9cembre 2013, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/alembert.pdf\" class=\"broken_link\">Fichier pdf<\/a><a href=\"http:\/\/www.ens-lyon.fr\/asso\/groupe-seminaire\/seminaires\/voirsem.php?id=eghys\">.<\/a><\/li>\n<li>Comment donner une mauvaise conf\u00e9rence de vulgarisation math\u00e9matique ? Orl\u00e9ans, mai 2012, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Orleans.pdf\" class=\"broken_link\">Fichier pdf<\/a><a href=\"http:\/\/www.ens-lyon.fr\/asso\/groupe-seminaire\/seminaires\/voirsem.php?id=eghys\">.<\/a><\/li>\n<li>Poincar\u00e9, 8 ao\u00fbt 1881, premier \u00e9nonc\u00e9 du th\u00e9or\u00e8me d’uniformisation, Bucarest, mars 2012, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Bucarest.pdf\" class=\"broken_link\">Fichier pdf<\/a>, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Bucarest-notes.pdf\" class=\"broken_link\">Texte.pdf<\/a>.<\/li>\n<li>Jeux de cercles, congr\u00e8s Maths en Jeans, Gap, avril 2011, <a href=\"http:\/\/ghys.perso.math.cnrs.fr\/exposes\/Gap.pdf\" class=\"broken_link\">Fichier pdf<\/a><a href=\"http:\/\/www.ens-lyon.fr\/asso\/groupe-seminaire\/seminaires\/voirsem.php?id=eghys\">.<\/a><\/li>\n<\/ul>\n<\/div>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Napol\u00e9on Bonaparte et la science, par \u00c9tienne Ghys, Secr\u00e9taire perp\u00e9tuel de l\u2019Acad\u00e9mie des sciences\" width=\"604\" height=\"340\" src=\"https:\/\/www.youtube.com\/embed\/zUIzqJaeCX0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div class=\"grammarly-disable-indicator\"> <\/div>\n\n\n\n<div class=\"grammarly-disable-indicator\"> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Some online conferences La g\u00e9om\u00e9trie des lettres de l’alphabet, Institut de France, octobre 2022. Jeux de lumi\u00e8re, CIRM, Marseille, octobre 2021. Napol\u00e9on Bonaparte et la science, Institut de France, mai 2021. Le chaos, impr\u00e9visible mais compr\u00e9hensible, Colloque Wright, Gen\u00e8ve, 2020. Le pouvoir et la th\u00e9orie des jeux, Acad\u00e9mie des sciences morales et politiques, f\u00e9vrier 2020. Interviews, … <a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/conferences-2\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">Conferences<\/span> <span class=\"meta-nav\">→<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","ub_ctt_via":"","_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"episode_type":"","audio_file":"","cover_image":"","cover_image_id":"","duration":"","filesize":"","date_recorded":"","explicit":"","block":"","itunes_episode_number":"","itunes_title":"","itunes_season_number":"","itunes_episode_type":"","filesize_raw":"","footnotes":""},"class_list":["post-19","page","type-page","status-publish","hentry"],"featured_image_src":null,"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Conferences - \u00c9tienne Ghys<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/perso.ens-lyon.fr\/ghys\/conferences-2\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Conferences - \u00c9tienne Ghys\" \/>\n<meta property=\"og:description\" content=\"Some online conferences La g\u00e9om\u00e9trie des lettres de l’alphabet, Institut de France, octobre 2022. 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Jeux de lumi\u00e8re, CIRM, Marseille, octobre 2021. Napol\u00e9on Bonaparte et la science, Institut de France, mai 2021. Le chaos, impr\u00e9visible mais compr\u00e9hensible, Colloque Wright, Gen\u00e8ve, 2020. Le pouvoir et la th\u00e9orie des jeux, Acad\u00e9mie des sciences morales et politiques, f\u00e9vrier 2020. Interviews,\u2026","_links":{"self":[{"href":"https:\/\/perso.ens-lyon.fr\/ghys\/wp-json\/wp\/v2\/pages\/19","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/perso.ens-lyon.fr\/ghys\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/perso.ens-lyon.fr\/ghys\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/perso.ens-lyon.fr\/ghys\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/perso.ens-lyon.fr\/ghys\/wp-json\/wp\/v2\/comments?post=19"}],"version-history":[{"count":64,"href":"https:\/\/perso.ens-lyon.fr\/ghys\/wp-json\/wp\/v2\/pages\/19\/revisions"}],"predecessor-version":[{"id":2602,"href":"https:\/\/perso.ens-lyon.fr\/ghys\/wp-json\/wp\/v2\/pages\/19\/revisions\/2602"}],"wp:attachment":[{"href":"https:\/\/perso.ens-lyon.fr\/ghys\/wp-json\/wp\/v2\/media?parent=19"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}