摘要翻译：
设A是特征不同于2,3的代数闭域k上维数为4的主极化阿贝尔簇的模空间。证明了A上的普适主极化阿贝尔变式和A上的普适θ因子是单分变式。
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英文标题：
《On the universal abelian variety of dimension 4》
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作者：
Alessandro Verra
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最新提交年份：
2008
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分类信息：

一级分类：Mathematics        数学
二级分类：Algebraic Geometry        代数几何
分类描述：Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology
代数簇，叠，束，格式，模空间，复几何，量子上同调
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英文摘要：
  Let A be the moduli space of principally polarized abelian varieties of dimension 4 over an algebraically closed field k of characteristic different from 2,3. It is proved that the universal principally polarized abelian variety over A, as well as the universal theta divisor over A, are unirational varieties.
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PDF链接：
https://arxiv.org/pdf/0711.3890