Rencontre virtuelle en géométrie des groupes
1 – 5 June 2020
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Scientific Committee
Comité scientifique Tara Brendle (University of Glascow) |
Organizing Committee
Comité d’organisation Indira Chatterji (Université Nice Sophia-Antipolis) |
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Geometric group theory is the study of infinite discrete groups using geometric techniques inspired broadly by classical Riemannian geometry, while also borrowing ideas from other mathematical domains such as formal language theory and algebraic topology. The field has developed rapidly and is currently very active, with many innovative projects reaching in new directions. This conference will highlight the interaction between two main themes in the field : Artin groups on the one hand, and CAT(0) geometry on the other hand. Although these two themes will be the leitmotivs of the conference, related topics such as Coxeter groups, 3-dimensional manifolds, automorphisms of free groups and mapping class groups are also included in the topics in order to enrich exchanges between participants and inspire ideas for developing new research projects.
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La théorie géométrique des groupes est l’étude des groupes infinis discrets à travers des techniques inspirées de la géométrie riemannienne classique, tout en empruntant des idées à d’autres domaines des mathématiques tels que la théorie du langage ou la topologie algébrique. Ce domaine a connu un essor important et rapide ces dernières années et est actuellement très actif, avec de nombreux projets innovants dans de nombreuses directions. Ce colloque a pour objectif premier souligner l’interaction entre deux thèmes principaux du domaine : les groupes Artin d’une part, et la géométrie CAT(0) d’autre part. Mais, bien que ces deux thèmes soient les leitmotivs de la conférence, des thèmes proches tels que les groupes de Coxeter, les variétés de dimension 3, les automorphismes des groupes libres et les groupes de difféotopie (mapping class groups) seront également couverts par le colloque, notre but étant d’enrichir les ́échanges entre participants et d’inspirer des idées nouvelles pour des projets de recherche à venir.
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Sahana Balasubramanya (University of Münster) Quasi-Parabolic Structures on Groups
María Cumplido (Heriot-Watt University) Complexes of parabolic subgroups for Artin groups
Elia Fioravanti (Max Planck Institute University of Bonn) Spaces of cubulations
Ursula Hamenstädt (Rheinische Friedrich-Wilhelms-University of Bonn) Spin mapping class groups and curve graphs
Nima Hoda (ENS Paris) Shortcut Graphs and Groups
Dawid Kielak (Bielefeld University) Computing fibring of 3-manifoldsand free-by-cyclic groups
Ivan Levcovitz (Technion – Israel Institute of Technology) Right-angled Coxeter groups commensurable to right-angled Artin groups
Anne Lonjou (University of Basel) Action of the Cremona group on a CAT(0) cube complex
Alex Margolis (Technion – Israel Institute of Technology) Quasi-actions and almost normal subgroups
Rose Morris-Wright (Brandeis University) Parabolic subgroups of Infinite type Artin groups
Ian Runnels (University of Virginia) Effectively Generating RAAGs in MCGs
Rachel Skipper (Ohio State University) Finiteness properties for simple groups
Ignat Soroko (Louisiana State University) Intersections and joins of subgroups in free groups
Emily Stark (University of Utah) Action rigidity for free products of closed hyperbolic manifold groups
Olga Varghese (University of Münster) Automorphism groups of Coxeter groups do not have Kazhdan’s property (T)
Genevieve Walsh (Tufts University) Incoherence of free-by-free and surface-by-freegroups
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