{"id":11298,"date":"2026-01-12T11:30:30","date_gmt":"2026-01-12T21:30:30","guid":{"rendered":"https:\/\/recherche.upf.pf\/?post_type=evenement&#038;p=11298"},"modified":"2026-01-12T11:30:33","modified_gmt":"2026-01-12T21:30:33","slug":"cohomologie-de-groupes-arithmetiques-structurant-les-varietes-oeljeklaus-toma","status":"publish","type":"evenement","link":"https:\/\/recherche.upf.pf\/ty\/evenement\/cohomologie-de-groupes-arithmetiques-structurant-les-varietes-oeljeklaus-toma\/","title":{"rendered":"Cohomologie de groupes arithm\u00e9tiques structurant les vari\u00e9t\u00e9s Oeljeklaus &#8211; Toma"},"content":{"rendered":"<p class=\"qtranxs-available-languages-message qtranxs-available-languages-message-ty\">D\u00e9sol\u00e9, ce contenu est uniquement disponible en <a href=\"https:\/\/recherche.upf.pf\/fr\/wp-json\/wp\/v2\/evenement\/11298\" class=\"qtranxs-available-language-link qtranxs-available-language-link-fr\" title=\"Fran\u00e7ais\">Fran\u00e7ais<\/a>.<\/p><p><br>Cette th\u00e8se \u00e9tudie le comportement de l&#8217;homologie de torsion dans les tours des vari\u00e9t\u00e9s Oeljeklaus-Toma (OT). Elle adapte une id\u00e9e de Silver-Wiliams issue de la th\u00e9orie des n\u0153uds aux vari\u00e9t\u00e9s OT et l&#8217;\u00e9tend aux groupes d&#8217;homologie de degr\u00e9 sup\u00e9rieur.<\/p>\n\n\n\n<p>Dans le cas des surfaces, c&#8217;est-\u00e0-dire des surfaces d&#8217;Inoue de type S0, la torsion cro\u00eet exponentiellement dans H1 (comme \u00e9tabli par Braunling) et H2 (notre r\u00e9sultat) selon un param\u00e8tre d\u00e9j\u00e0 pr\u00e9sent dans l&#8217;article classique d&#8217;Inoue, et nous obtenons que la torsion s&#8217;annule dans toute dimension sup\u00e9rieure. Dans cette th\u00e8se, un algorithme permettant de trouver la cohomologie des vari\u00e9t\u00e9s OT de dimension 6 est introduit. De plus, certains r\u00e9sultats de calcul g\u00e9n\u00e9r\u00e9s par le programme GAP bas\u00e9 sur cet algorithme sont collect\u00e9s. Des r\u00e9sultats th\u00e9oriques sont \u00e9galement tir\u00e9s de ces donn\u00e9es, puis d\u00e9montr\u00e9s.<\/p>\n\n\n\n<p><strong>Composition du jury<\/strong><\/p>\n\n\n\n<p><br>M. Ruben SANCHEZ-GARCIA, professeur au Centre for Geometry, Topology &amp; Applications de l&#8217;Universit\u00e9 Southampton &#8211; <strong>Rapporteur<\/strong><br>\u00a0<\/p>\n\n\n\n<p>M. Ethan BERKOVE, Professeur au Lafayette College (Pennsylvania-USA) &#8211; <strong>Rapporteur<\/strong><br>\u00a0<\/p>\n\n\n\n<p>Mme Ruth KELLERHALS, Professeure au D\u00e9partement de Math\u00e9matiques de l&#8217;Universit\u00e9 de Fribourg (Suisse)<br>&nbsp;<\/p>\n\n\n\n<p>Mme Elisa LORENZO GARCIA, ma\u00eetre de conf\u00e9rences-HDR \u00e0 l&#8217;institut de Math\u00e9matiques de l&#8217;Universit\u00e9 de Neuch\u00e2tel (Suisse) &#8211; <strong>Examinatrice<\/strong><br>\u00a0<\/p>\n\n\n\n<p>M. Anh Tuan BUI, professeur des universit\u00e9s \u00e0 la Facult\u00e9 of Mathematics and Computer Science du Vietnam National University (HCM) <strong>Co-directeur de th\u00e8se<\/strong><br>\u00a0<\/p>\n\n\n\n<p>M. Alexander D. RAHM, professeur des universit\u00e9s au Laboratoire GAATI de l&#8217;UPF &#8211; <strong>Directeur de th\u00e8se<\/strong><\/p>","protected":false},"author":253,"featured_media":11299,"template":"","coauthors":[499],"class_list":["post-11298","evenement","type-evenement","status-publish","has-post-thumbnail","hentry","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Cohomologie de groupes arithm\u00e9tiques structurant les vari\u00e9t\u00e9s Oeljeklaus - Toma &#8226; Recherche UPF<\/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:\/\/recherche.upf.pf\/ty\/evenement\/cohomologie-de-groupes-arithmetiques-structurant-les-varietes-oeljeklaus-toma\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cohomologie de groupes arithm\u00e9tiques structurant les vari\u00e9t\u00e9s Oeljeklaus - Toma &#8226; Recherche UPF\" \/>\n<meta property=\"og:description\" content=\"D\u00e9sol\u00e9, ce contenu est uniquement disponible en Fran\u00e7ais. Cette th\u00e8se \u00e9tudie le comportement de l&#8217;homologie de torsion dans les tours des vari\u00e9t\u00e9s Oeljeklaus-Toma (OT). Elle adapte une id\u00e9e de Silver-Wiliams issue de la th\u00e9orie des n\u0153uds aux vari\u00e9t\u00e9s OT et l&#8217;\u00e9tend aux groupes d&#8217;homologie de degr\u00e9 sup\u00e9rieur. Dans le cas des surfaces, c&#8217;est-\u00e0-dire des surfaces&hellip; Continue reading Cohomologie de groupes arithm\u00e9tiques structurant les vari\u00e9t\u00e9s Oeljeklaus &#8211; Toma\" \/>\n<meta property=\"og:url\" content=\"https:\/\/recherche.upf.pf\/evenement\/cohomologie-de-groupes-arithmetiques-structurant-les-varietes-oeljeklaus-toma\/\" \/>\n<meta property=\"og:site_name\" content=\"Recherche UPF\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/univpf\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-12T21:30:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/recherche.upf.pf\/wp-content\/uploads\/2026\/01\/telechargement.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1080\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@univpf\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n\t<meta name=\"twitter:label2\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data2\" content=\"Alice Enjalbal\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/recherche.upf.pf\\\/evenement\\\/cohomologie-de-groupes-arithmetiques-structurant-les-varietes-oeljeklaus-toma\\\/\",\"url\":\"https:\\\/\\\/recherche.upf.pf\\\/evenement\\\/cohomologie-de-groupes-arithmetiques-structurant-les-varietes-oeljeklaus-toma\\\/\",\"name\":\"Cohomologie de groupes arithm\u00e9tiques structurant les vari\u00e9t\u00e9s Oeljeklaus - Toma &#8226; 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Cette th\u00e8se \u00e9tudie le comportement de l&#8217;homologie de torsion dans les tours des vari\u00e9t\u00e9s Oeljeklaus-Toma (OT). Elle adapte une id\u00e9e de Silver-Wiliams issue de la th\u00e9orie des n\u0153uds aux vari\u00e9t\u00e9s OT et l&#8217;\u00e9tend aux groupes d&#8217;homologie de degr\u00e9 sup\u00e9rieur. 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