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SUMMARY:Emily Norton (University of Kent)
DTSTART:20231214T100000Z
DTEND:20231214T110000Z
DTSTAMP:20260423T052641Z
UID:EQuAL/15
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/EQuAL/15/">D
 ecomposition numbers for unipotent blocks with small sl_2-weight in finite
  classical groups</a>\nby Emily Norton (University of Kent) as part of Eur
 opean Quantum Algebra Lectures (EQuAL)\n\n\nAbstract\nThere are many famil
 iar module categories admitting a categorical action of a Lie algebra. The
  combinatorial shadow of such an action often yields answers to module-the
 oretic questions\, for instance via crystals. In proving a conjecture of G
 erber\, Hiss\, and Jacon\, it was shown by Dudas\, Varagnolo\, and Vassero
 t that the category of unipotent representations of a finite classical gro
 up has such a categorical action. In this talk I will explain how we can u
 se the categorical action to deduce closed formulas for certain families o
 f decomposition numbers of these groups. This is joint work with Olivier D
 udas.\n
LOCATION:https://researchseminars.org/talk/EQuAL/15/
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