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SUMMARY:On the conjugacy problem in some matrix groups
DTSTART:20260316T153000Z
DTEND:20260316T163000Z
DTSTAMP:20260517T063600Z
UID:indico-event-16287@indico.math.cnrs.fr
DESCRIPTION:Speakers: Adem Zeghib\n\nThe conjugacy problem poses the fol
 lowing question : given two elements g\,g' in a group G does there exist h
  in G such that g'=hgh^{-1}.  \nIt is dual to the centralizer problem\,
  asking for generators of the centralizer of g.\nIn this talk\, our focus 
 will be on finitely generated matrix groups\, tracing the historical devel
 opment of the conjugacy problem in this specific context.\n \nWe will see
  how the structural solution for GL(n\,ℤ) of Eick-Hoffman-O'Brien\, toge
 ther with an effective Tits alternative for the centralizer of a matrix\, 
 yield a practical algorithmic solution to the conjugacy problem in the sym
 plectic group Sp(2n\, ℤ).\n\nhttps://indico.math.cnrs.fr/event/16287/
LOCATION:S435 (UMPA)
URL:https://indico.math.cnrs.fr/event/16287/
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