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SUMMARY:Sachi Hashimoto (Boston University)
DTSTART:20201119T130000Z
DTEND:20201119T140000Z
DTSTAMP:20260423T005758Z
UID:AGNTISTA/17
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/AGNTISTA/17/
 ">Transcendental Brauer-Manin obstructions on some Calabi-Yau threefolds</
 a>\nby Sachi Hashimoto (Boston University) as part of Algebraic Geometry a
 nd Number Theory seminar - ISTA\n\n\nAbstract\nWe study the arithmetic pro
 perties of a family of Calabi-Yau threefolds originally studied by Hosono 
 and Takagi in the context of mirror symmetry. The geometry of these variet
 ies endows them with a 2-torsion Brauer class. Under mild conditions\, we 
 show this Brauer class prevents the rational points from being dense in th
 e adelic points. This is joint work with Katrina Honigs\, Alicia Lamarche\
 , and Isabel Vogt.\n
LOCATION:https://researchseminars.org/talk/AGNTISTA/17/
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