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SUMMARY:Ulrich Thiel (University of Kaiserslautern-Landau)
DTSTART:20231107T073000Z
DTEND:20231107T083000Z
DTSTAMP:20260423T021412Z
UID:OISTRTS/51
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/OISTRTS/51/"
 >The rank one property for free Frobenius extensions</a>\nby Ulrich Thiel 
 (University of Kaiserslautern-Landau) as part of OIST representation theor
 y seminar\n\n\nAbstract\nThe Cartan matrix of a finite-dimensional algebra
  is the matrix of multiplicities of simple modules in indecomposable proje
 ctive modules. This is crucial information about the representation theory
  of the algebra. In my talk I will present a general setting including sev
 eral important examples from Lie theory\, such as restricted quantized env
 eloping algebras at roots of unity\, in which we could prove that the Cart
 an matrix has the remarkable property of being blockwise of rank one. This
  is joint work with Gwyn Bellamy.\n
LOCATION:https://researchseminars.org/talk/OISTRTS/51/
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