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SUMMARY:Brendan Hassett (Brown University)
DTSTART:20210630T191500Z
DTEND:20210630T200500Z
DTSTAMP:20260413T062711Z
UID:zoomnovy/12
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/zoomnovy/12/
 ">Equivariant rationality: invariants and constructions</a>\nby Brendan Ha
 ssett (Brown University) as part of Algebraic groups and algebraic geometr
 y: in honor of Zinovy Reichstein's 60th birthday\n\n\nAbstract\nAbout 20 y
 ears ago\, Reichstein obtained fundamental results on equivariant rational
 ity for varieties with actions of finite and linear algebraic groups. New 
 perspectives have come with the symbol invariants developed by Kontsevich\
 , Kresch\, and Tschinkel. We will discuss some implications of these ideas
  for rationality questions central to arithmetic geometry: complete inters
 ections of two quadrics.\n
LOCATION:https://researchseminars.org/talk/zoomnovy/12/
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