The distribution of class groups of function fields

The distribution of class groups of function fields
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功能域类群的分布

DOI:
10.1016/j.jpaa.2005.04.003
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发表时间:
2004
影响因子:
0.8
通讯作者:
Jeff Achter
Jeff Achter
中科院分区:
数学2区
文献类型:
--
作者:
Jeff Achter

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对于有限域Fq上的任一充分一般的曲线族和任何ℓ相对素数为Q的基本交换ℓ-群H,我们给出了Jac(C)[ℓ](Fq)≅H的曲线C所占比例的一个显式公式。
For any sufficiently general family of curves over a finite field Fqand any elementary abelian ℓ-group H with ℓ relatively prime to q, we give an explicit formula for the proportion of curves C for which Jac(C)[ℓ](Fq)≅H. In doing so, we prove a conjecture of Friedman and Washington.