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math.AG2021
Degeneration of natural Lagrangians and Prymian integrable systems
Emilio Franco
Starting from an anti-symplectic involution on a K3 surface, one can consider a natural Lagrangian subvariety inside the moduli space of sheaves over the K3. One can also construct…
math.AG2021
Deformation theory of orthogonal and symplectic sheaves
Emilio Franco
We show that the space of first-order deformations of an orthogonal (resp. symplectic) sheaf over a smooth projective scheme is the first hypercohomology space of a complex which i…