Irreducibility of moduli spaces of vector bundles on K3 surfaces

Irreducibility of moduli spaces of vector bundles on K3 surfaces
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K3 面上向量丛模空间的不可约性

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发表时间:
1999
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通讯作者:
K. Yoshioka
K. Yoshioka
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作者:
K. Yoshioka

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在本文中,我们证明,如果相关的 Mukai 向量是本原的,K3 表面上稳定滑轮的模空间是不可约辛流形。更准确地说,我们证明它们与希尔伯特点方案相关。我们还计算这些空间的周期。作为我们结果的应用,我们讨论了物理学中的蒙托宁-奥利夫对偶性。特别是我们对模空间的欧拉特征的计算与 Minahan 等人的物理计算兼容。
In this paper, we show the moduli spaces of stable sheaves on K3 surfaces are irreducible symplectic manifolds, if the associated Mukai vectors are primitive. More precisely, we show that they are related to the Hilbert scheme of points. We also compute the period of these spaces. As an application of our result, we discuss Montonen-Olive duality in Physics. In particular our computations of Euler characteristics of moduli spaces are compatible with Physical computations by Minahan et al.