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SUMMARY:Frobenius Non-Stability of Nilpotent Groups - Forrest Glebe (Unive
 rsity of Hawaii)
DTSTART:20251127T101500Z
DTEND:20251127T111500Z
UID:TALK240436@talks.cam.ac.uk
DESCRIPTION:I will talk about my result that a finitely generated nilpoten
 t group is Frobenius stable if and only if it is virtually cyclic. I will 
 explain how the non-stability comes from a 2-cohomology class of a particu
 lar form that allows one to build an "efficient" sequence of projective re
 presentations. From there the "winding number argument" due to Kazhdan\, E
 xel\, and Loring is used to show that these projective representations are
  far from genuine representations.
LOCATION:Seminar Room 1\, Newton Institute
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