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TZID:Europe/Vienna
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DTSTART:20250330T030000
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BEGIN:VEVENT
DTSTAMP:20260424T143221Z
UID:648ae4751f709974065359@ist.ac.at
DTSTART:20250123T130000
DTEND:20250123T150000
DESCRIPTION:Speaker: Vladimir Sosnilo\nhosted by Jakub Löwit\nAbstract: We
  prove the AS completion theorem for almost toric actions on singular vari
 eties in characteristic 0.The strategy is based on the two ingredients:1. 
 the A1-invariant AS completion theorem proved by Amalendu Krishna\;2. a co
 mpletion theorem for Hochschild homology proved by Harrison Chen.To get th
 e result the two ingredients are combined using the cyclotomic trace techn
 iques.As an application\, we construct a complete motivic filtration on th
 e AS completion of the equivariant K-theory\, extending Elmanto-Morrow fil
 tration from the case of schemes.This is based on joint work in progress w
 ith Elden Elmanto and Dmitry Kubrak.
LOCATION:Office Bldg West / Ground floor / Heinzel Seminar Room (I21.EG.101
 )\, ISTA
ORGANIZER:boosthui@ist.ac.at
SUMMARY:Vladimir Sosnilo: Atiyah-Segal completion theorem for singular vari
 eties
URL:https://talks-calendar.ista.ac.at/events/5491
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