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International conference «Categorical and analytic invariants in Algebraic geometry 3»
September 16, 2016 11:00–12:00, Moscow
 


On double covers of quadratic and Lagrangian degeneracy loci

A. G. Kuznetsov

Steklov Mathematical Institute of Russian Academy of Sciences, Moscow
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MP4 509.2 Mb
MP4 2,007.5 Mb

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Abstract: A two-dimensional quadratic cone has a smooth double cover ramified only over its vertex. This is a prototypical example of a double cover of a quadratic degeneracy locus. I will discuss a construction of such double covers in a more general setting (including Lagrangian degeneracy loci) via reflexive sheaves.

Language: English
 
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