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X-WR-CALNAME:Département de mathématiques et applications
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X-WR-CALDESC:évènements pour Département de mathématiques et applications
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TZID:Europe/Paris
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TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20220327T010000
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DTSTART:20221030T010000
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DTSTART;TZID=Europe/Paris:20220315T140000
DTEND;TZID=Europe/Paris:20220315T170000
DTSTAMP:20260406T054906
CREATED:20220305T170139Z
LAST-MODIFIED:20220305T170529Z
UID:15335-1647352800-1647363600@www.math.ens.psl.eu
SUMMARY:Un après-midi de théorie des groupes
DESCRIPTION:Le séminaire sera dans salle W et retransmis sur Zoom : \nZOOM: https://us02web.zoom.us/j/82070470538\nID: 820 7047 0538\nMot de passe:\nG est un Graphe de Cayley du groupe libre à 107 générateurs. Quel est\nle degré de ce graphe? Tapez le numéro à trois chiffres comme un mot\nde passe. \n14.00 – 14.45 Marcin Sabok  (McGill University)\, « Hyperfiniteness at\nhyperbolic boundries » \n15.00 – 15.45 Juan Paucar (Jussieu)\, « Coarse embeddings between locally\ncompact groups and quantitative measured equivalence » \n16.00 – 16.45 Josh Frisch (ENS)\, « Characteristic Measures and Minimal\nSubdynamics » \nVous pourrez trouver les résumés sur le site du séminaire:\nhttps://sites.google.com/site/annaerschler/grseminar
URL:https://www.math.ens.psl.eu/evenement/un-apres-midi-de-theorie-des-groupes/
LOCATION:14:00-17:00 Salle W
CATEGORIES:Séminaire de théorie des groupes à l’ENS
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20220315T160000
DTEND;TZID=Europe/Paris:20220315T173000
DTSTAMP:20260406T054906
CREATED:20220309T160534Z
LAST-MODIFIED:20220309T160950Z
UID:15402-1647360000-1647365400@www.math.ens.psl.eu
SUMMARY:Curve-excluding fields
DESCRIPTION:Consider the class of fields with Char(K)=0 and x^4+y^4=1 has only 4 solutions in K\, we show that this class has a model companion\, which we denote by curve-excluding fields. Curve-excluding fields provides (counter)examples to various questions. Model theoretically\, they are model complete and TP_2. Field theoretically\, they are not large and unbounded. We will discuss other aspects such as decidability of such fields. This is joint work with Will Johnson and Erik Walsberg.
URL:https://www.math.ens.psl.eu/evenement/curve-excluding-fields-2/
LOCATION:salle 1016 Sophie Germain
CATEGORIES:Théorie des Modèles et Groupes
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