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SUMMARY:Thomas Nikolaus (Münster)
DTSTART:20200811T160000Z
DTEND:20200811T170000Z
DTSTAMP:20260423T004136Z
UID:MITTop/9
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/MITTop/9/">O
 n Grothendieck--Witt theory of the integers.</a>\nby Thomas Nikolaus (Mün
 ster) as part of MIT topology seminar\n\n\nAbstract\nWe introduce the Grot
 hendieck--Witt groups of the integers and the Grothendieck--Witt spectrum 
 of the integers. Then we explain how to compute these groups and the homot
 opy type of the spectrum using recent work on K-theory and L-theory. If ti
 me permits we also explain how to resolve the homotopy limit problem for r
 ings of integers in number fields and prove Karoubi's periodicity conjecur
 e for arbitrart rings.\n
LOCATION:https://researchseminars.org/talk/MITTop/9/
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