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SUMMARY:Noah Riggenbach (Northwestern University)
DTSTART:20220509T203000Z
DTEND:20220509T213000Z
DTSTAMP:20260423T004640Z
UID:MITTop/49
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/MITTop/49/">
 NTC of Perfectoid Rings</a>\nby Noah Riggenbach (Northwestern University) 
 as part of MIT topology seminar\n\nLecture held in Room: 2-131 in the MIT 
 Simons Building.\n\nAbstract\nIn this talk I will discuss my recent comput
 ation of the NTC groups of perfectoid rings which have a system of pth pow
 er roots of unity and thus the KK-groups of the p-completed affine line 
 R⟨x⟩R⟨x⟩ over these rings relative to the ideal (x)(x). This inc
 ludes all perfect fields of positive characteristic\, for which these grou
 ps vanish in non-negative degrees. This class of rings also contains many 
 mixed characteristic rings\, and perhaps surprisingly while the even nonne
 gative groups will still vanish\, the odd groups will not.\n
LOCATION:https://researchseminars.org/talk/MITTop/49/
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