{"id":50,"date":"2020-01-10T15:22:00","date_gmt":"2020-01-10T14:22:00","guid":{"rendered":"http:\/\/dev.imj-prg.fr\/diffusion-des-mathematiques\/?p=50"},"modified":"2020-12-10T15:23:53","modified_gmt":"2020-12-10T14:23:53","slug":"seance-aromaths-smf-le-28-01-2020","status":"publish","type":"post","link":"https:\/\/www.imj-prg.fr\/diffusion-des-mathematiques\/seance-aromaths-smf-le-28-01-2020\/","title":{"rendered":"S\u00e9ance Aromaths\/SMF le 28\/01\/2020"},"content":{"rendered":"\n<p>Le s\u00e9minaire Aromaths accueille Math\u00e9matiques \u00c9tonnantes&nbsp;! L\u2019expos\u00e9 a eu lieu le mardi 28 janvier \u00e0 18h15 dans l\u2019amphi 15.<\/p>\n\n\n\n<p>Nous avons accueilli M\u00e9lanie Plainchault (Total) et Julien Tierny (CNRS).<\/p>\n\n\n\n<p>R\u00c9SUM\u00c9<\/p>\n\n\n\n<p>L\u2019\u00e9tude g\u00e9ologique du sous-sol passe par des simulations num\u00e9riques \u00e0 grande \u00e9chelle et des mesures sur le terrain. On dispose ainsi de donn\u00e9es dont la quantit\u00e9 et la qualit\u00e9 sont probl\u00e9matiques. Nous expliquerons comment des math\u00e9matiques nous ont permis de r\u00e9soudre certains de ces probl\u00e8mes, notamment au service de l\u2019exploitation p\u00e9troli\u00e8re.<\/p>\n\n\n\n<p>Notre d\u00e9marche, l\u2019analyse topologique des donn\u00e9es, repose sur la topologie, c\u2019est-\u00e0-dire l\u2019\u00e9tude math\u00e9matiques des formes \u00e0 d\u00e9formation continue pr\u00e8s. Ce domaine math\u00e9matique, cr\u00e9\u00e9 par Poincar\u00e9 en 1895, est bien vivant aujourd\u2019hui et nous fournit des notions comme la th\u00e9orie de Morse ou l\u2019homologie persistante.<\/p>\n\n\n\n<p>Dans notre expos\u00e9, nous montrerons comment ces outils permettent d\u2019identifier des structures cach\u00e9es au sein de donn\u00e9es complexes ou d\u00e9grad\u00e9es. Nous illustrerons les principaux probl\u00e8mes concrets rencontr\u00e9s, comment la topologie nous a aid\u00e9s et quelles solutions nous avons apport\u00e9es, notamment sous la forme d\u2019algorithmes et de logiciels libres comme le \u00ab\u00a0topology toolkit\u00a0\u00bb (<a href=\"https:\/\/topology-tool-kit.github.io\/\">https:\/\/topology-tool-kit.github.io\/<\/a>).<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.imj-prg.fr\/IMG\/jpg\/83248643_3459535270786157_1185501374167646208_o.jpg\" alt=\"\" width=\"1364\" height=\"2048\"><strong>Affiche<\/strong><\/p>\n\n\n\n<p>Voir en ligne&nbsp;: <a href=\"https:\/\/www.facebook.com\/events\/597497580816273\/\">Topologie en sous-sol<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator\" id=\"ligne-pied\"\/>\n","protected":false},"excerpt":{"rendered":"<p>Le s\u00e9minaire Aromaths accueille Math\u00e9matiques \u00c9tonnantes&nbsp;! L\u2019expos\u00e9 a eu lieu le mardi 28 janvier \u00e0 18h15 dans l\u2019amphi 15. Nous avons accueilli M\u00e9lanie Plainchault (Total) et Julien Tierny (CNRS). R\u00c9SUM\u00c9 L\u2019\u00e9tude g\u00e9ologique du sous-sol passe par des simulations num\u00e9riques \u00e0 grande \u00e9chelle et des mesures sur le terrain. On dispose ainsi de donn\u00e9es dont la [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":51,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-50","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seminaires"],"_links":{"self":[{"href":"https:\/\/www.imj-prg.fr\/diffusion-des-mathematiques\/wp-json\/wp\/v2\/posts\/50","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.imj-prg.fr\/diffusion-des-mathematiques\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.imj-prg.fr\/diffusion-des-mathematiques\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.imj-prg.fr\/diffusion-des-mathematiques\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.imj-prg.fr\/diffusion-des-mathematiques\/wp-json\/wp\/v2\/comments?post=50"}],"version-history":[{"count":1,"href":"https:\/\/www.imj-prg.fr\/diffusion-des-mathematiques\/wp-json\/wp\/v2\/posts\/50\/revisions"}],"predecessor-version":[{"id":52,"href":"https:\/\/www.imj-prg.fr\/diffusion-des-mathematiques\/wp-json\/wp\/v2\/posts\/50\/revisions\/52"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.imj-prg.fr\/diffusion-des-mathematiques\/wp-json\/wp\/v2\/media\/51"}],"wp:attachment":[{"href":"https:\/\/www.imj-prg.fr\/diffusion-des-mathematiques\/wp-json\/wp\/v2\/media?parent=50"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.imj-prg.fr\/diffusion-des-mathematiques\/wp-json\/wp\/v2\/categories?post=50"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.imj-prg.fr\/diffusion-des-mathematiques\/wp-json\/wp\/v2\/tags?post=50"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}