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SUMMARY:Hao Peng (MIT)
DTSTART:20220927T150000Z
DTEND:20220927T163000Z
DTSTAMP:20260422T220356Z
UID:STAGE/62
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/STAGE/62/">B
 rauer groups of schemes</a>\nby Hao Peng (MIT) as part of STAGE\n\nLecture
  held in Room 2-449 in the MIT Simons Building.\n\nAbstract\nTopics: Étal
 e cohomology of $\\mathbb{G}_m$\; definition of cohomological Brauer group
  of a scheme\; Azumaya algebras\; definition of Azumaya Brauer group\; com
 parison (without proof).\n\nReference: <a href="https://math.mit.edu/~poon
 en/papers/Qpoints.pdf">Poonen\, <i>Rational \npoints on varieties</i></a>\
 , Section 6.6.  See also <a href="https://link.springer.com/book/10.1007/9
 78-3-030-74248-5">Colliot-Th&eacute\;l&egrave\;ne and Skorobogatov\, <i>Th
 e Brauer-Grothendieck group</i></a>\, Sections 3.1-3.3 and Chapter 4.\n
LOCATION:https://researchseminars.org/talk/STAGE/62/
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