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SUMMARY:Stefano Marseglia (Utrecht University)
DTSTART:20230516T203000Z
DTEND:20230516T213000Z
DTSTAMP:20260423T125939Z
UID:MITNT/74
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/MITNT/74/">C
 ohen-Macaulay type of endomorphism rings of abelian varieties over finite 
 fields</a>\nby Stefano Marseglia (Utrecht University) as part of MIT numbe
 r theory seminar\n\nLecture held in Room 2-449 in the Simons Building (bui
 lding 2).\n\nAbstract\nIn this talk\, we will speak about the (Cohen-Macau
 lay) type of the endomorphism ring of abelian varieties over a finite fiel
 d with commutative endomorphism algebra. We will exhibit a condition on th
 e type of $\\mathrm{End}(A)$ implying that $A$ cannot be isomorphic to its
  dual. In particular\, such an $A$ cannot be principally polarised or a Ja
 cobian. This is partly joint work with Caleb Springer.\n
LOCATION:https://researchseminars.org/talk/MITNT/74/
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