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Algebra Seminar

Moduli spaces on the Kuznetsov component of Fano threefolds of index 2

Franco Rota (Rutgers)

Location:  This talk will be online, using webex
Date & time: Wednesday, 15 April 2020 at 2:00PM - 3:00PM

Abstract: The derived category of a Fano threefold Y of Picard rank 1 and index 2 admits a semiorthogonal decomposition. This defines a non-trivial subcategory Ku(Y) called the Kuznetsov component, which encodes most of the geometry of Y.
I will present a joint work with M. Altavilla and M. Petkovic, in which we describe certain moduli spaces of Bridgeland-stable objects in Ku(Y), via the stability conditions constructed by Bayer, Macri, Lahoz and Stellari. Furthermore, in our work we study the behavior of the Abel-Jacobi map on these moduli space. As an application in the case of degree d=2, we prove a strengthening of a categorical Torelli Theorem by Bernardara and Tabuada.

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