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首页> 外文期刊>Canadian Journal of Mathematics >Arithmetic of Degenerating Principal Variations of Hodge Structure: Examples Arising From Mirror Symmetry and Middle Convolution
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Arithmetic of Degenerating Principal Variations of Hodge Structure: Examples Arising From Mirror Symmetry and Middle Convolution

机译:退化Hodge结构的主要变异的算法:以镜像对称和中间卷积为例

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摘要

We collect evidence in support of a conjecture of Griffiths, Green, and Kerr on the arithmetic of extension classes of limiting mixed Hodge structures arising from semistable degenerations over a number field. After briefly summarizing how a result of Iritani implies this conjecture for a collection of hypergeometric Calabi-Yau threefold examples studied by Doran and Morgan, the authors investigate a sequence of (non-hypergeometric) examples in dimensions 1 <= d <= 6 arising from Katz's theory of the middle convolution. A crucial role is played by the Mumford-Tate group (which is G(2)) of the family of 6-folds, and the theory of boundary components of Mumford-Tate domains.
机译:我们收集证据来支持Griffiths,Green和Kerr的猜想,这些猜想是关于在多个场上由半稳定退化引起的有限混合Hodge结构的扩展类的算术的。在简要总结了Iritani的结果如何暗示由Doran和Morgan研究的超几何Calabi-Yau三重示例集合的这一猜想之后,作者研究了一系列(非超几何)示例,其维数为1 <= d <= 6,由卡兹的中间卷积理论。 6折家族的Mumford-Tate组(即G(2))和Mumford-Tate域的边界成分理论起着至关重要的作用。

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