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首页> 外文期刊>The Journal of the London Mathematical Society >A new family of surfaces with p_g = q = 2 and K~2 = 6 whose Albanese map has degree 4
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A new family of surfaces with p_g = q = 2 and K~2 = 6 whose Albanese map has degree 4

机译:一个新的p_g = q = 2和K〜2 = 6的曲面族,其阿尔巴尼亚图的阶数为4

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摘要

We construct a new family of minimal surfaces of general type with p_g = q = 2 and K~2 = 6, whose Albanese map is a quadruple cover of an abelian surface with polarization of type (1, 3). We also show that this family provides an irreducible component of the moduli space of surfaces with p_g = q = 2 and K~2 = 6. Finally, we prove that such a component is generically smooth of dimension 4 and that it contains the two-dimensional family of product-quotient examples previously constructed by the first author. The main tools we use are the Fourier-Mukai transform and the Schr?dinger representation of the finite Heisenberg group H_3.
机译:我们用p_g = q = 2和K〜2 = 6构造了一个新的普通类型的最小曲面族,其阿尔巴涅图是具有(1,3)极化类型的阿贝尔曲面的四重覆盖。我们还表明,该族提供了曲面的模空间的不可约分量,其中p_g = q = 2且K〜2 =6。最后,我们证明了这种分量通常在尺寸4上是光滑的,并且包含两个第一作者先前构建的产品商示例的维系列。我们使用的主要工具是有限Heisenberg群H_3的Fourier-Mukai变换和Schrdinger表示。

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