论文标题

比较不同的泰特猜想

Comparison of different Tate conjectures

论文作者

Ertl, Veronika, Keller, Timo, Qin, Yanshuai

论文摘要

对于Abelian品种$ a $,超过有限生成的字段$ k $的特征$ p> 0 $,我们证明代数排名$ a $最多是适当定义的分析等级。 Moreover, we prove that equality, i.e., the BSD rank conjecture, holds for $A/K$ if and only if a suitably defined Tate--Shafarevich group of $A/K$ (1) has finite $\ell$-primary component for some/all $\ell \neq p$, or (2) finite prime-to-$p$ part, or (3) has $p$-primary part of finite指数或(4)为有限指数。有一种算法可以验证$ a/k $的具体情况。

For an abelian variety $A$ over a finitely generated field $K$ of characteristic $p > 0$, we prove that the algebraic rank of $A$ is at most a suitably defined analytic rank. Moreover, we prove that equality, i.e., the BSD rank conjecture, holds for $A/K$ if and only if a suitably defined Tate--Shafarevich group of $A/K$ (1) has finite $\ell$-primary component for some/all $\ell \neq p$, or (2) finite prime-to-$p$ part, or (3) has $p$-primary part of finite exponent, or (4) is of finite exponent. There is an algorithm to verify those conditions for concretely given $A/K$.

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