{"id":1472,"date":"2020-11-29T22:33:01","date_gmt":"2020-11-29T21:33:01","guid":{"rendered":"http:\/\/perso.ens-lyon.fr\/ghys\/?page_id=1472"},"modified":"2023-01-29T10:08:23","modified_gmt":"2023-01-29T09:08:23","slug":"billets","status":"publish","type":"page","link":"https:\/\/perso.ens-lyon.fr\/ghys\/billets\/","title":{"rendered":"Dans le Monde"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\"><a href=\"http:\/\/www.lemonde.fr\/\">&nbsp;le Monde&nbsp;:<br><\/a><\/h3>\n\n\n\n<p>Chroniques plus r\u00e9centes dans la rubrique \u00ab\u00a0<a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/blog-2\/\">Blogue<\/a>\u00a0\u00bb <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/mai2021.pdf\">Pour appr\u00e9hender les risques d\u2019un vaccin, \u00e9coutons les psychologues<\/a>, mai 2021.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/mars2021.pdf\">Le th\u00e9or\u00e8me de l&rsquo;indice au sommet<\/a>, mars 2021.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/janvier2021.pdf\">Efficacit\u00e9 vaccinale en quatre notions<\/a>, janvier 2021.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/novembre2020.pdf\">Pour d\u00e9partager deux candidats, vive la majorit\u00e9 simple<\/a>, novembre 2020.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/septembre2020.pdf\">Vaughan Jones, faiseur de n\u0153uds et math\u00e9maticien ultracr\u00e9atif<\/a>, septembre 2020.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/juillet2020.pdf\">La pand\u00e9mie du Covid-19 annonce-t-elle la fin du concept de laboratoire de math\u00e9matiques<\/a>, juillet 2020.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/mai2020.pdf\">La th\u00e9orie de la percolation, ou l\u2019art de mod\u00e9liser une pand\u00e9mie<\/a>, mai 2020.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/mars2020.pdf\">Epid\u00e9mies : aplatir les exponentielles<\/a>, mars 2020.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/fevrier2020.pdf\">Faites plut\u00f4t vacciner vos amis, c\u2019est math\u00e9matique<\/a>, f\u00e9vrier 2020.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/decembre2019.pdf\">Sur \u00ab Scienticfiz \u00bb&nbsp;des coll\u00e9giens&nbsp;dingues de maths<\/a>, d\u00e9cembre 2019.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/octobre2019.pdf\">Les attractions mutuelles de l\u2019abb\u00e9 Sigorgne<\/a>, octobre&nbsp;2019.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/septembre2019.pdf\">A Shangha\u00ef,&nbsp;une obsession pour&nbsp;la racine carr\u00e9e<\/a>, septembre 2019.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/juin2019.pdf\">Ces femmes qui ont compt\u00e9 dans l\u2019ombre<\/a>, juin 2019.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/avril2019.pdf\">Une certaine id\u00e9e des le\u00e7ons de math\u00e9matique<\/a>, avril 2019.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/fevrier2019.pdf\">Le retour \u00e0 l\u2019\u00e9cole des math\u00e9maticiens<\/a>, f\u00e9vrier 2019.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/janvier2019.pdf\">R\u00e9solutions 2019 et amusettes math\u00e9matiques<\/a>, janvier 2019.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/novembre2018.pdf\">Prendre date, une tradition scientifique<\/a>, novembre 2018.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/septembre2018.pdf\">L\u2019aventure d\u2019un village math\u00e9matique<\/a>, septembre 2018.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/juillet2018.pdf\">\u00c9loge de l\u2019impr\u00e9cision math\u00e9matique<\/a>, juillet 2018.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/mai2018.pdf\">R\u00e9soudre les \u00e9quations, est-ce les comprendre<\/a>&nbsp;? mai 2018.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/avril2018.pdf\">Poincar\u00e9, le dernier universaliste<\/a>&nbsp;?, avril 2018.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/avril2018.pdf\">Les algorithmes devraient-ils livrer leurs secrets<\/a>&nbsp;?, avril 2018.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/mars2018.pdf\">Math\u00e9matiques \u00e9ternelles<\/a>, mars 2018.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/janvier2018.pdf\">La science internationale et universelle<\/a>, janvier 2018.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/decembre2017.pdf\">L\u2019\u00e9galit\u00e9 femmes-hommes, c\u2019est aussi math\u00e9matique<\/a>, d\u00e9cembre 2017.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/octobre2017.pdf\">Arxiv.org ou les mirages des publications<\/a>, octobre 2017.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/septembre2017.pdf\">La vaccination sous l\u2019\u0153il des math\u00e9matiques<\/a>, septembre 2017.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/juillet2017.pdf\">Petite histoire des matheux en politique<\/a>, juillet 2017.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/mai2017.pdf\">Vice et Vertu de l\u2019incompr\u00e9hensible<\/a>,&nbsp;mai 2017.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/avril2017.pdf\">Sondages et intervalles de confiance<\/a>, avril 2017.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/mars2017.pdf\">Pi, irrationnel et transcendant<\/a>, mars 2017.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/janvier2017.pdf\">Explorer la topologie alg\u00e9brique<\/a>, janvier 2017.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/novembre2016.pdf\">Paradoxale arithm\u00e9tique politique<\/a>, novembre 2016.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/octobre2016.pdf\">Jean-Christophe Yoccoz, le plaisir de faire des maths<\/a>, octobre 2016.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/septembre2016.pdf\">Math\u00e9matiques et \u00e9t\u00e9, l\u2019\u00e9quation du plaisir<\/a>, septembre 2016.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/juin2016.pdf\">Bienvenue dans la vingt-quatri\u00e8me dimension<\/a>, juin&nbsp;2016.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/mai2016.pdf\">La&nbsp;probabilit\u00e9 appliqu\u00e9e aux scrutins politiques<\/a>, mai&nbsp;2016.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/mars2016.pdf\">Quel est le plus grand nombre ?<\/a>,&nbsp;mars&nbsp;2016.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/fevrier2016.pdf\">Tout est nombre<\/a>, f\u00e9vrier 2016.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/decembre2015.pdf\">L\u2019invasion des crapauds, c\u2019est math\u00e9matique<\/a>, d\u00e9cembre 2015.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/novembre2015.pdf\">H\u00e9ro\u00efne de la quatri\u00e8me dimension<\/a>, novembre 2015.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/septembre2015.pdf\">L\u2019\u00e9nigme des pentagones<\/a>, septembre 2015.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/aout2015.pdf\">La grande vertu \u00e9ducative du calcul mental<\/a>, ao\u00fbt 2015.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/juillet2015.pdf\">Nix d\u00e9voile ses formes<\/a>, juillet 2015.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/mai2015.pdf\">Un homme d\u2019exception<\/a>, mai 2015.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/avril2015.pdf\">Un \u00e9clair dans la nuit<\/a>, avril 2015.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/mars2015.pdf\">Un Oscar pour un math\u00e9maticien<\/a>, mars 2015.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/janvier2015.pdf\">Le d\u00e9fi de l\u2019informatique \u00e0 l\u2019\u00e9cole<\/a>, janvier 2015.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/decembre2014.pdf\">Ronds de fum\u00e9e et tourbillons nou\u00e9s<\/a>, d\u00e9cembre 2014.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/octobre2014.pdf\">Kepler avait raison ?<\/a>, octobre 2014.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/septembre2014.pdf\">Y a-t-il une vie apr\u00e8s la m\u00e9daille Fields ?<\/a>, septembre 2014.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/juin2014.pdf\">Brazuca, le ballon cubique du Mondial<\/a>, juin 2014.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/mai2014.pdf\">La Coupe du monde et les maths<\/a>, mai 2014.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/fevrier2014.pdf\">Borat et les maths<\/a>, f\u00e9vrier 2014.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/janvier2014.pdf\">La lingua franca des math\u00e9maticiens<\/a>, janvier 2014.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/novembre2013.pdf\">A quoi \u00e7a sert ?<\/a>, novembre 2013.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/octobre2013.pdf\">Le baron Haussmann et les syst\u00e8mes complexes<\/a>, octobre 2013.<\/li>\n\n\n\n<li><a href=\"https:\/\/perso.ens-lyon.fr\/ghys\/chroniques\/aout2013.pdf\">Math\u00e9maticiens polyc\u00e9phales<\/a>, ao\u00fbt 2013.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp;le Monde&nbsp;: Chroniques plus r\u00e9centes dans la rubrique 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