Fumiaki Suzuki : Artin-Mumford’s “Some elementary examples of unirational varieties which are not rational” explanation

Posted by Gregory Taylor , part of the Graduate Algebraic Geometry Seminar.

At

Jan. 23, 2019, 3 p.m.

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Abstract

We review Artin-Mumford’s construction of a 3-fold which is unirational and non-rational. We start from the motivation, give a construction, and explain it in terms of Severi-Brauer schemes