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SUMMARY:Marc Hoyois: Poincaré localizing invariants of schemes
DTSTART:20260521T121500Z
DTEND:20260521T131500Z
DTSTAMP:20260611T110300Z
UID:indico-event-121@indico.zdv.uni-mainz.de
DESCRIPTION:Speakers: Marc Hoyois\n\nIn joint work with Markus Land\, we i
 nvestigate motivic properties of Poincaré localizing invariants of scheme
 s\, like Grothendieck-Witt theory\, and we establish that they satisfy a p
 rojective bundle formula and descent for the Nisnevich topology. This impl
 ies that the motivic sphere spectrum over (almost) any local ring R admits
  a faithful action of the Grothendieck-Witt group of nondegenerate symmetr
 ic bilinear forms over R.\n\nhttps://indico.zdv.uni-mainz.de/event/121/
LOCATION:Hilbertraum (Mainz)
URL:https://indico.zdv.uni-mainz.de/event/121/
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