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arXiv 1204.4447math.NTmath.DS
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扭族中准周期点的一致界

Uniform bounds for pre-periodic points in families of twists

Alon Levy, Michelle Manes, Bianca Thompson

摘要:

设φ是定义在数域K上的射影N-空间的态射。我们证明了存在一个仅依赖于φ的界B,使得φ的每一个扭曲都不超过B K-有理预周期点。(This结果与Silverman关于阿贝尔簇的结果类似。对于Q上的两个特殊的二次有理映射族,我们明确地找到了B的界。

英文摘要:

Let phi be a morphism of projective N-space defined over a number field K. We prove that there is a bound B depending only on phi such that every twist of phi has no more than B K-rational preperiodic points. (This result is analagous to a result of Silverman for abelian varieties.) For two specific families of quadratic rational maps over Q, we find the bound B explicitly.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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