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Families of curves with Higgs field of arbitrarily large kernel
Bulletin of the London Mathematical Society ( IF 0.8 ) Pub Date : 2020-11-26 , DOI: 10.1112/blms.12437
Víctor González‐Alonso 1, 2 , Sara Torelli 2
Affiliation  

In this article, we consider the flat bundle U and the kernel K of the Higgs field naturally associated to any (polarized) variation of Hodge structures of weight 1. We study how strict the inclusion U K can be in the geometric case. More precisely, for any smooth projective curve C of genus g 2 and any r = 0 , , g 1 , we construct non‐isotrivial deformations of C over a quasi‐projective base such that rk K = r and rk U g + 1 2 .

中文翻译:

具有任意大核的希格斯场的曲线族

在本文中,我们考虑扁平捆 ü 和内核 ķ 与重量1的霍奇结构的任何(极化)变化自然相关的希格斯场的变化 ü ķ 可以在几何情况下。更精确地说,对于任何平滑的投影曲线 C G 2个 和任何 [R = 0 G - 1个 ,我们构造了 C 在准投影的基础上 rk ķ = [R rk ü G + 1个 2个
更新日期:2020-11-26
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