Séminaires : Séminaire Général de Logique

Equipe(s) : lm,
Responsables :S. Anscombe, V. Bagayoko, D. Basak, H. Fournier
Email des responsables : sylvy.anscombe@imj-prg.fr, bagayoko@imj-prg.fr, basak@imj-prg.fr, fournier@imj-prg.fr
Salle : 1013
Adresse :Sophie Germain
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Orateur(s) Matthieu Joseph - Orsay,
Titre Representation theory for the automorphism groups of some non-omega categorical homogeneous structures
Date17/02/2025
Horaire15:45 à 16:45
Diffusion
Résume

For a countable homogeneous structure M, a natural question in representation theory is the classification of unitary representations of the topological group Aut(M). This question was completely answered by Tsankov for ω-categorical structures. In joint work with R. Barritault and C. Jahel, we generalize this result and go beyond ω-categoricity by addressing structures such as the integral/rational Urysohn space and the integral/rational universal diversity. No background knowledge of representation theory will be assumed for this talk.

Salle1013
AdresseSophie Germain
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