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SUMMARY:From arcs in surfaces to algebraic arcs : a mapping class group pr
 oof of homological stability for symplectic groups.
DTSTART:20261106T100000Z
DTEND:20261106T110000Z
DTSTAMP:20261104T000000Z
UID:indico-event-5966@agenda.irmp.ucl.ac.be
DESCRIPTION:Speakers: Nathalie Wahl (University of Copenhagen))\n\nI will 
 explain my joint work with Ismael Sierra\, where we define a notion of «
  algebraic arcs » in R-modules equipped with an alternating form\, and 
 use them to improve the known range for homological stability of symplecti
 c groups over quite general rings\, by mimicking a proof for mapping class
  groups of surfaces.\n \n\nhttps://agenda.irmp.ucl.ac.be/event/5966/
LOCATION:B/2nd floor-B.203 - Seminar room (Marc de Hemptinne (chemin du Cy
 clotron\, 2\, Louvain-la-Neuve))
URL:https://agenda.irmp.ucl.ac.be/event/5966/
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