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SUMMARY:Augmented branching rules for symmetric groups in characteristic t
 wo
DTSTART:20250110T131500Z
DTEND:20250110T141500Z
DTSTAMP:20260514T005700Z
UID:indico-event-166@math-events.uni-bonn.de
DESCRIPTION:Speakers: Robert Muth ((Duquesne University Pittsburgh))\n\nTh
 e representation theory of the symmetric group $S_n$ in characteristic two
  (or more generally\, Hecke algebras at a second root of unity) can be app
 roached from a number of directions\; classically\, via Specht modules and
  the cellular structure of $S_n$\, or more recently via the larger stratif
 ied structure of the KLR algebra of type $A^{(1)}_1$. I will discuss a com
 binatorial bridge between between these two perspectives. This bridge allo
 ws one to augment Kleshchev’s famous branching graph for $S_n$ with a ri
 cher set of edges corresponding to induction/restriction by cuspidal modul
 es for positive roots of type $A^{(1)}_1$\, and yields new analogues of Ja
 mes’ regularization theorem for Specht modules in this setting as well.\
 n \n\nhttps://math-events.uni-bonn.de/event/166/
LOCATION:Endenicher Allee 60\, Nebengebäude/1.008 - Seminarraum (Mathezen
 trum)
URL:https://math-events.uni-bonn.de/event/166/
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