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X-WR-CALDESC:évènements pour Département de mathématiques et applications
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DTSTART:20200329T010000
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DTSTART;TZID=Europe/Paris:20201208T150000
DTEND;TZID=Europe/Paris:20201208T180000
DTSTAMP:20260407T171902
CREATED:20201208T140000Z
LAST-MODIFIED:20211104T133753Z
UID:8565-1607439600-1607450400@www.math.ens.psl.eu
SUMMARY:Après-midi de théorie de groupes
DESCRIPTION:Zoom: https://us02web.zoom.us/j/82502264227The password is answer to the following question: What is the degree of the standard Cayely graph on 107 generators?15.00-15.45 Robert Young (NYY Courant and IAS Princeton)\, Holder maps to the Heisenberg group16.00-16.45 Matei Coiculescu (Brown University)\, The Spheres of Sol17.15-18.00 Richard Schwartz (Brown University and IAS Princeton)\, The areas of metric spheres in Sol
URL:https://www.math.ens.psl.eu/evenement/apres-midi-de-theorie-de-groupes-11/
LOCATION:Zoom: https://us02web.zoom.us/j/82502264227
CATEGORIES:Séminaire de théorie des groupes à l’ENS
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BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20201211T090000
DTEND;TZID=Europe/Paris:20201211T102000
DTSTAMP:20260407T171902
CREATED:20201211T080000Z
LAST-MODIFIED:20211104T122913Z
UID:8563-1607677200-1607682000@www.math.ens.psl.eu
SUMMARY:Groups definable in o-minimal structures and algebraic groups
DESCRIPTION:Groups definable in o-minimal structures have been studied by many authors in the last 30 years and include algebraic groups over algebraically closed fields of characteristic 0\, semi-algebraic groups over real closed fields\, important classes of real Lie groups such as abelian groups\, compact groups and linear semisimple groups. In this talk I will present results on groups definable in o-minimal structures\, demonstrating a strong analogy with topological decompositions of linear algebraic groups. Limitations of this analogy will be shown through several examples.
URL:https://www.math.ens.psl.eu/evenement/groups-definable-in-o-minimal-structures-and-algebraic-groups/
LOCATION:Zoom
CATEGORIES:Séminaire Géométrie et théorie des modèles
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