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Derived categories of cubic fourfolds and non-commutative K3 surfaces

Introductory Workshop: Derived Algebraic Geometry and Birational Geometry and Moduli Spaces January 31, 2019 - February 08, 2019

February 08, 2019 (11:00 AM PST - 12:00 PM PST)
Speaker(s): Emanuele Macri (Northeastern University)
Location: MSRI: Simons Auditorium
Video

26-macri

Abstract

The derived category of coherent sheaves on a cubic fourfold has a subcategory which can be thought as the derived category of a non-commutative K3 surface. This subcategory was studied recently in the work of Kuznetsov and Addington-Thomas, among others. In this talk, I will present joint work in progress with Bayer, Lahoz, Nuer, Perry, Stellari, on how to construct Bridgeland stability conditions on this subcategory. This proves a conjecture by Huybrechts, and it allows to start developing the moduli theory of semistable objects in these categories, in an analogue way as for the classical Mukai theory for (commutative) K3 surfaces. I will also discuss a few applications of these results.

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Video/Audio Files

26-macri

H.264 Video 862_25967_7609_26-Macri.mp4
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