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SUMMARY:Xinyu Zhou (Boston University)
DTSTART:20221213T160000Z
DTEND:20221213T173000Z
DTSTAMP:20260422T220125Z
UID:STAGE/73
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/STAGE/73/">T
 he étale-Brauer obstruction and insufficiency of the obstructions</a>\nby
  Xinyu Zhou (Boston University) as part of STAGE\n\nLecture held in Room 2
 -449 in the MIT Simons Building.\n\nAbstract\nTopics: The étale-Brauer se
 t\; comparison with the descent set\; insufficiency of the obstructions fo
 r a quadric bundle over a curve.\n\nReference: <a href="https://math.mit.e
 du/~poonen/papers/Qpoints.pdf">Poonen\, <i>Rational \npoints on varieties<
 /i></a>\, Sections 8.5.2-8.5.3 and 8.6.2.\n
LOCATION:https://researchseminars.org/talk/STAGE/73/
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