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13</head><body class="wp-singular page-template-default page page-id-223 wp-custom-logo wp-embed-responsive wp-theme-femina wp-child-theme-idpoisson language-fr locale-fr-fr" ><div id="container"><header id="masthead" class="site-header" role="banner"> <a class="screen-reader-text skip-link" href="#main-content">Aller au contenu principal</a> <a class="screen-reader-text skip-link" href="#sidebar-widget-areas">Aller à la barre latérale</a><div id="pre-menu"></div><div id="site-identity"> <a href="https://www.idpoisson.fr/" class="custom-logo-link home-link" rel="home" itemprop="url"><noscript><img class="custom-logo" src="https://www.idpoisson.fr/wp-content/uploads/2018/01/cropped-IDP_big.png" alt="logo"></noscript><img src='data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20210%20140%22%3E%3C/svg%3E' class="lazyload custom-logo" data-src="https://www.idpoisson.fr/wp-content/uploads/2018/01/cropped-IDP_big.png" alt="logo"><div class="title-description"><h1 class="site-title">Institut Denis Poisson</h1><h2 class="site-description"></h2></div></a></div> <button id="nav-button" class="menu-toggle" role="navigation button">Menu</button><div id="navigation"><nav id="main-menu" class="site-navigation primary-navigation" role="navigation" aria-label="Menu principal"><ul id="primary-menu" class="menu"><li id="menu-item-249" class="menu-item menu-item-type-custom menu-item-object-custom menu-item-home menu-item-249"><a href="https://www.idpoisson.fr">Accueil</a></li><li id="menu-item-281" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-281"><a href="https://www.idpoisson.fr/presentation/">Laboratoire</a></li><li id="menu-item-325" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-325"><a href="https://www.idpoisson.fr/membres/">Membres</a></li><li id="menu-item-250" class="menu-item menu-item-type-post_type menu-item-object-page current-menu-item page_item page-item-223 current_page_item menu-item-250"><a href="https://www.idpoisson.fr/agenda/" aria-current="page">Agenda</a></li><li id="menu-item-251" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-251"><a href="https://www.idpoisson.fr/grand-public/">Grand public</a></li><li id="menu-item-252" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-252"><a href="https://www.idpoisson.fr/publications/">Publications</a></li><li id="menu-item-254" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-254"><a href="https://www.idpoisson.fr/contacts/">Contacts & Accès</a></li><li id="menu-item-1599" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-1599"><a href="https://www.idpoisson.fr/collaborations/">Collaborations & contrats</a></li><li id="menu-item-2520" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2520"><a href="https://www.idpoisson.fr/prix-ibni/">Prix Ibni</a></li><li id="menu-item-6997" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-6997"><a href="https://www.idpoisson.fr/hommages-et-distinctions/">Hommages et Distinctions</a></li><li id="menu-item-2873" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-2873"><a href="https://www.idpoisson.fr/irem/">IREM</a></li></ul></nav></div></header><main id="main" role="main"><div id="main-content" ><article id="post-223" class="post-223 page type-page status-publish hentry"><header class="entry-header"><h1 class="entry-title">Agenda</h1></header><div class="entry-content"><div class='event'><div class='event_title'> Séminaire de Physique Théorique</div> Sergei Nechaev (LPTMS / CNRS and Universite Paris-Saclay) <br> <b>Topological Localization in Trivial Random Braids</b><br> Thursday 01 October 2026 14:00 - 14 Salle des séminaires - Salle 1180, bâtiment E2 <a href='/agenda-de-lidp?id=16911'>(+ de détails)</a></div><div class='event'><div class='event_title'> Séminaire Orléans</div> Patrick Gérard (Orsay) <br> <b>Une introduction aux évolutions intégrables à travers l'équation de Benjamin-Ono</b><br> Thursday 01 October 2026 14:00 - 15 Orléans - Salle de Séminaire <a href='/agenda-de-lidp?id=17295'>(+ de détails)</a></div><div class='event'><div class='event_title'> Séminaire SPACE Tours</div> Virgile Brodu (Université de Tours) <br> <b>Comportement asymptotique d'un modèle individu-centré structuré en masse, avec des dynamiques allométriques</b><br> Friday 02 October 2026 10:30 - 16 Tours - E2 1180 <a href='/agenda-de-lidp?id=17251'>(+ de détails)</a></div><div class='event'><div class='event_title'> Séminaire de Géométrie</div> Romain Gicquaud (Université de Tours) <br> <b>
16Topologie de l'ensemble des données initiales du vide</b><br> Friday 02 October 2026 13:30 - 17 Tours - 1180 (Bât. E2) <a href='/agenda-de-lidp?id=17468'>(+ de détails)</a></div><div class='event'><div class='event_title'> GT ADG-Systèmes Dynamiques</div> José Gálvez Mateos (Instituto de Matemáticas de la Universidad de Sevilla (IMUS) and Departamento de Ãlgebra, Universidad de Sevilla, Spain.) <br> <b>CAT(0) cube complex for virtual Artin groups</b><br> Friday 02 October 2026 14:00 - 18 Orléans institut Denis Poisson - Salle de séminaire <a href='/agenda-de-lidp?id=17413'>(+ de détails)</a></div><div class='event'><div class='event_title'> Séminaire de Physique Théorique</div> Pierre Heidmann (Ohio State University, USA) <br> <b>Topological Solitons in Gravity</b><br> Thursday 08 October 2026 14:00 - 19 Salle des séminaires - Salle 1180, bâtiment E2 <a href='/agenda-de-lidp?id=16921'>(+ de détails)</a></div><div class='event'><div class='event_title'> Séminaire d'analyse</div> Vincent Calvez (Université de Bretagne Occidentale) <br> <b>TBA</b><br> Thursday 08 October 2026 14:00 - 20 Tours - E2290 <a href='/agenda-de-lidp?id=17005'>(+ de détails)</a></div><div class='event'><div class='event_title'> Séminaire SPACE Tours</div> Cédric Lecouvey (IDP, Université de Tours) <br> <b>Noyau de Cauchy non symétrique, caractères de Demazure et percolation de dernier passage</b><br> Friday 09 October 2026 10:30 - 21 Tours - E2 1180 <a href='/agenda-de-lidp?id=17443'>(+ de détails)</a></div><div class='event'><div class='event_title'> GT ADG-Systèmes Dynamiques</div> Alain Valette (Université de Neuchâtel) <br> <b>
21Eléments hyperboliques réciproques dans $PSL_2(\mathbb{Z})$.</b><br> Friday 09 October 2026 14:00 - 22 Orléans institut Denis Poisson - Salle de séminaire <a href='/agenda-de-lidp?id=17414'>(+ de détails)</a></div><div class='event'><div class='event_title'> Séminaire de Physique Théorique</div> Viola Gattus (Technische Universität München, Allemagne) <br> <b>Geometry, Gauge Redundancy, and Quantum Effective Actions</b><br> Thursday 15 October 2026 14:00 - 23 Salle des séminaires - Salle 1180, bâtiment E2 <a href='/agenda-de-lidp?id=16922'>(+ de détails)</a></div></div><footer class="entry-footer"></footer></article></div><div id="sidebar-widget-areas" class="sidebar-widget-areas" role="complementary"><div id="primary-sidebar" class="widget-area sidebar" role="complementary"><aside id="search-2" class="widget widget_search"><form role="search" method="get" class="search-form" action="https://www.idpoisson.fr/"> <label> <span class="screen-reader-text">Recherche pour :</span> <input 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