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SUMMARY:Endomorphism rings of some Young modules - Jasdeep Kochhar\, Royal
  Holloway
DTSTART:20161028T140000Z
DTEND:20161028T150000Z
UID:TALK68225@talks.cam.ac.uk
CONTACT:Nicolas Dupré
DESCRIPTION:Let $Sn$ be the symmetric group acting on the set $\\{1\,2\,\\
 ldots\,n\\}$. Let $K$ be a field of characteristic 2\, and let $\\lambda$ 
 and $\\mu$ be partitions of $n$ in at most two parts. Denote the permutati
 on module corresponding to the Young subgroup $S\\lambda$ in $Sn$ by $M\\l
 ambda$\, and the indecomposable Young module corresponding to $\\mu$ by $Y
 \\mu$. In this talk\, we will look at the algebra $\\text{End}{K[S_n]}(Y\\
 mu).$ We will do this using the primitive idempotents of $\\text{End}{K[S_
 n]}(M\\lambda)\,$ which were constructed by Doty\, Erdmann and Henke in (J
 . Algebra 307(1): 377--396\, 2007).
LOCATION:CMS\, MR15
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