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arXiv math/0009001math.AG
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阿贝尔曲面上稳定层的模空间

Moduli spaces of stable sheaves on abelian surfaces

Kota Yoshioka

摘要:

本文考虑阿贝尔曲面上稳定层的模空间。我们的主要假设是相关联的Mukai向量的介电性。构造了由Fourier-Mukai函子诱导的Muduli空间的许多同构。作为应用,我们证明了这些空间的形变类型由它们的维数决定。其次证明了Albanese映射的纤维是不可约的辛流形。特别地,我们用Mukai格描述了它的周期。讨论了K3曲面上稳定层的模空间的变形类型。

英文摘要:

In this paper, we consider moduli spaces of stable sheaves on abelian surfaces. Our main assumption is the primitivity of the associated Mukai vector. We construct many isomorphisms of muduli spaces induced by Fourier-Mukai functor. As an application, we show that deformation type of these spaces are determined by their dimension. We next show that the fiber of the albanese map is irreducible symplectic manifolds In particular, we describe the period by using Mukai lattice. We also discuss deformation type of moduli spaces of stable sheaves on K3 surfaces.

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