David Yang : Relations in the Grothendieck Ring and Homological Projective Duality

Posted by Kevin Tucker , part of the Algebraic Geometry Seminar.

At

April 29, 2015, 4 p.m.

In

SEO 427

Abstract

It has recently been shown by Lev Borisov that the class of the affine line is a zero divisor in the Grothendieck ring of varieties. We place his construction in a more general context, and give a new proof using K3 surfaces rather than Calabi-Yau threefolds.