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math.AG2008
Hilbert-Chow morphism for non commutative Hilbert schemes and moduli spaces of linear representations
Federica Galluzzi, Francesco Vaccarino
Let be a commutative ring and let be a commutative algebra. The aim of this paper is to define and discuss some connection morphisms between schemes associated to the r…
math.AG2008★ 7 cited
Automorphs of indefinite binary quadratic forms and K3-surfaces with Picard number 2
Federica Galluzzi, Giuseppe Lombardo, Chris Peters
Every indefinite binary form occurs as the Picard lattice of some K3-surface. The group of its isometries, or automorphs, coincides with the automorphism group of the K3-surface, b…