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SUMMARY:Computing Green functions in small characteristics - Meinolf Geck 
 (Universität Stuttgart)
DTSTART:20200127T101000Z
DTEND:20200127T110000Z
UID:TALK137764@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:Green functions for finite groups of Lie type were introduced 
 by Deligne and Lusztig in the 1970&#39\;s\, using cohomological methods. T
 he computation of these functions is a crucial step in the more general pr
 ogramme of determining the whole character tables of those groups.   Despi
 te of a long tradition of work on Green functions\, there are still open c
 ases for groups in small characteristic. We report on some recent progress
 \, which essentially relies on a combination of Lusztig&#39\;s theory of c
 haracter sheaves and computer algebra methods.
LOCATION:Seminar Room 1\, Newton Institute
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