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SUMMARY:A smooth complex rational affine surface with uncountably many rea
 l forms
DTSTART:20211202T101500
DTEND:20211202T111500
DTSTAMP:20260411T071835Z
UID:23ab947cdab817f12fcbcb6dffccb3548bd8025a94b45ae8f4386f73
CATEGORIES:Conferences - Seminars
DESCRIPTION:Anna Bot (University of Basel)\nA real form of a complex algeb
 raic variety X is a real algebraic variety whose complexification is isomo
 rphic to X. Many families of complex varieties have a finite number of non
 isomorphic real forms\, but up until recently no example with infinitely m
 any had been found. In 2019\, Lesieutre constructed a projective variety o
 f dimension six with infinitely many nonisomorphic real forms\, and this y
 ear\, Dinh\, Oguiso and Yu described projective rational surfaces with inf
 initely many as well. In this talk\, I’ll present the first example of a
  rational affine surface having uncountably many nonisomorphic real forms.
LOCATION:MA B1 11 https://plan.epfl.ch/?room==MA%20B1%2011
STATUS:CONFIRMED
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