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SUMMARY:Maps between spherical group algebras - Thomas Nikolaus (Universit
 ät Münster)
DTSTART:20230612T090000Z
DTEND:20230612T100000Z
UID:TALK199852@talks.cam.ac.uk
DESCRIPTION:I will speak about a central question in higher algebra (aka b
 rave new algebra)\, namely which rings or schemes admit 'higher models'\, 
 that is lifts to the sphere spectrum. This question is in some sense very 
 classical\, but there are many open questions. These questions are closely
  related to questions about higher versions of prismatic cohomology and de
 lta ring\, asked e.g. by Scholze and Lurie. Concretely we will consider th
 e case of group algebras and explain how to understand maps between lifts 
 of group algebras to the sphere spectrum. The results we present are joint
  with Carmeli and Yuan and on the prismatic side with Antieau and Krause.&
 nbsp\;
LOCATION:Seminar Room 1\, Newton Institute
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