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Algebraic Geometry Seminar

Birational geometry of the intermediate Jacobian fibration associated to a cubic fourfold
Wednesday, February 24, 2021
4:00-5:00 PM
Zoom Off Campus Location
I will discuss several aspects of the geometry intermediate Jacobian fibration associated to a cubic fourfold X. This is a compact hyper-Kahler manifold with a Lagrangian fibration whose general fiber is the intermediate Jacobian of a smooth hyperplane section of X. The geometry of this hyper-Kahler manifold is governed by that of X. For example, I will show that the Mordell-Weil group of the Lagrangian fibration can be identified with the degree 4 primitive algebraic
cohomology classes on X. Speaker(s): Giulia Saccà (Columbia University)
Building: Off Campus Location
Location: Off Campus Location
Event Type: Workshop / Seminar
Tags: Mathematics
Source: Happening @ Michigan from Department of Mathematics