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SUMMARY:Paul Balmer (University of California\, Los Angeles)
DTSTART:20201120T171000Z
DTEND:20201120T180000Z
DTSTAMP:20260419T112328Z
UID:icra2020/16
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/icra2020/16/
 ">Derived category of permutation modules</a>\nby Paul Balmer (University 
 of California\, Los Angeles) as part of ICRA 2020\n\n\nAbstract\nThe gener
 al theme of this joint work with Martin Gallauer is the study of how much 
 of representation theory of a finite group is controlled by permutation mo
 dules. I shall recall basic definitions and state our result about finite 
 resolutions by p-permutation modules in positive characteristic p. This is
  related to a reformulation in terms of derived categories. Time permittin
 g\, I shall discuss coefficients in more general rings than fields. This w
 ill relate to the singularity category of such rings\, as constructed by K
 rause.\n
LOCATION:https://researchseminars.org/talk/icra2020/16/
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