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SUMMARY:Alexandra Kuznetsova (Higher School of Economics)
DTSTART:20200528T140000Z
DTEND:20200528T150000Z
DTSTAMP:20260423T021448Z
UID:ZAG/18
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/ZAG/18/">Sex
 tic double solids</a>\nby Alexandra Kuznetsova (Higher School of Economics
 ) as part of ZAG (Zoom Algebraic Geometry) seminar\n\n\nAbstract\nAbstract
 : One of the first examples of unirational non-rational threefold was prov
 ided by Artin and Mumford and it was a double cover of P^3 branched in a n
 odal quartic surface\, so called quartic double solid.\nThen Endrass studi
 ed this class of varieties and showed that the example by Artin and Mumfor
 d gives a unique family of non-rational nodal quartic double solids. I am 
 going to tell about the next interesting class of threefolds --- nodal sex
 tic double solids. I will describe 4 families of them such that any non-ra
 tional variety of this type lies in one of those families and explain the 
 proof.\n
LOCATION:https://researchseminars.org/talk/ZAG/18/
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