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The weight-two Hodge structure of moduli spaces of sheaves on a K3 surface

(1995)

We prove that the weight-two Hodge structure of moduli spaces of torsion-free sheaves on a K3 surface is as described by Mukai (the rank is arbitrary but we assume the first Chern class is primitive). We prove the moduli space is an irreducible symplectic variety (by Mukai's work it was known to be symplectic). By work of Beauville, this ...更多

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