阿贝尔幂上的Weil类与Hodge类

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OpenAI论文 / 代数几何 · 2026-10-06

阿贝尔幂上的Weil类与Hodge类

Weil classes and Hodge classes on abelian powers

OpenAI 数学仓库收录的研究手稿。展开查看英文摘要,或标记后让我进一步解释。

具体内容

稿件研究具有虚二次作用与相容极化的复阿贝尔六重体自幂上的有理Hodge猜想。作者声称当有理同调Hermitian形式为符号(3,3)的双曲形式时,在每个余维数上证明该猜想;还声称对维数至多5、容许虚二次作用的复阿贝尔簇的每个自幂也在每个余维数上证明。摘要称两结果均包含非单簇和带额外自同态的 special periods,证明使用CM阿贝尔簇有理Hodge猜想的伴随定理。该手稿为AI产生,未经独立审查或同行评议。

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英文原始摘要

We prove the rational Hodge conjecture in every codimension on every self-power of a complex abelian sixfold with an imaginary-quadratic action and a compatible polarization whose rational homological Hermitian form is hyperbolic of signature $`(3,3)`$. We also prove it in every codimension on every self-power of a complex abelian variety of dimension at most five admitting an imaginary-quadratic action. Both results include nonsimple varieties and special periods with additional endomorphisms. The proof uses the companion theorem on the rational Hodge conjecture for CM abelian varieties.

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