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BEGIN:VEVENT
UID:news852@dmi.unibas.ch
DTSTAMP;TZID=Europe/Zurich:20190423T201701
DTSTART;TZID=Europe/Zurich:20190514T103000
SUMMARY:Seminar Algebra and Geometry: Urban Jezernik (University of the Bas
 que Country) 
DESCRIPTION:The rationality problem in algebraic geometry asks whether a gi
 ven variety is birational to a projective space. We will gently introduce 
 the problem and take a look at some recent advances\, principally in the d
 irection of negative examples constructed via cohomological obstructions. 
 Special focus will be set on quotient varieties by linear group actions.
X-ALT-DESC:The rationality problem in algebraic geometry asks whether a giv
 en variety is birational to a projective space. We will gently introduce t
 he problem and take a look at some recent advances\, principally in the di
 rection of negative examples constructed via cohomological obstructions. S
 pecial focus will be set on quotient varieties by linear group actions.
DTEND;TZID=Europe/Zurich:20190514T120000
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