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Finite field elements of high order arising from modular curves

机译:模块化曲线产生的高阶有限域元素

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In this paper, we recursively construct explicit elements of provably high order in finite fields. We do this using the recursive formulas developed by Elkies to describe explicit modular towers. In particular, we give two explicit constructions based on two examples of his formulas and demonstrate that the resulting elements have high order. Between the two constructions, we are able to generate high order elements in every characteristic. Despite the use of the modular recursions of Elkies, our methods are quite elementary and require no knowledge of modular curves. We compare our results to a recent result of Voloch. In order to do this, we state and prove a slightly more refined version of a special case of his result.
机译:在本文中,我们递归地构造有限域中可证明的高阶显式元素。我们使用Elkies开发的递归公式来描述显式模块化塔架。特别是,我们基于他的公式的两个示例给出了两个显式构造,并证明了所得元素具有较高的阶数。在这两种构造之间,我们能够在每个特征中生成高阶元素。尽管使用了Elkies的模块化递归,但我们的方法还是非常基本的,不需要模块化曲线的知识。我们将我们的结果与Voloch的最新结果进行比较。为了做到这一点,我们陈述并证明了他的结果特例的稍微完善的版本。

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