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SUMMARY:Claudio Marchi (University of Manchester (UK))
DTSTART:20210226T164000Z
DTEND:20210226T170500Z
DTSTAMP:20260404T131151Z
UID:FGV/4
DESCRIPTION:Title: <a href="https://stable.researchseminars.org/talk/FGV/4
 /">Picard groups for blocks with normal defect groups</a>\nby Claudio Marc
 hi (University of Manchester (UK)) as part of Finite Groups in Valencia\n\
 n\nAbstract\nLet $G$ be a finite group\, $B$ a $p$-block of $OG$\, $O$ a c
 omplete DVR. The Picard group of $B$ is the group of auto-Morita equivalen
 ces of $B$ and it revealed itself to be a useful tool\, for example for de
 aling with Donovan conjecture. However\, it is also interesting in its own
  right\, since it has the structure of a finite group\, when $O$ has char 
 0.\n\nIn this talk we will give an introduction to Picard groups for block
 s and then present joint work with Livesey on blocks with normal defect gr
 oups\, providing evidence to a conjecture on basic Morita equivalences.\n
LOCATION:https://stable.researchseminars.org/talk/FGV/4/
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