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SUMMARY:Alexandros Konstantinou (University College London)
DTSTART:20250115T160000Z
DTEND:20250115T170000Z
DTSTAMP:20260418T065655Z
UID:LNTS/157
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/LNTS/157/">I
 sogeny decompositions and the Tate--Shafarevich group modulo squares</a>\n
 by Alexandros Konstantinou (University College London) as part of London n
 umber theory seminar\n\nLecture held in Room 505\, Department of Mathemati
 cs (25 Gordon St)\, University College London.\n\nAbstract\nWe present a m
 ethod for decomposing abelian varieties up to isogeny using group actions 
 and finite group representation theory. As an application\, we show that g
 iven a square-free natural number n\, there exists an abelian variety with
  finite Tate--Shafarevich group of order n times a square.\n
LOCATION:https://researchseminars.org/talk/LNTS/157/
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