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On Pisot's d-th root conjecture for function fields and related GCD estimates
Journal of Number Theory ( IF 0.6 ) Pub Date : 2021-06-16 , DOI: 10.1016/j.jnt.2021.05.010 Ji Guo , Chia-Liang Sun , Julie Tzu-Yueh Wang
中文翻译:
关于函数场的 Pisot d-th 根猜想和相关 GCD 估计
更新日期:2021-06-16
Journal of Number Theory ( IF 0.6 ) Pub Date : 2021-06-16 , DOI: 10.1016/j.jnt.2021.05.010 Ji Guo , Chia-Liang Sun , Julie Tzu-Yueh Wang
We propose a function-field analog of Pisot's d-th root conjecture on linear recurrences, and prove it under some “non-triviality” assumption. Besides a recent result of Pasten-Wang on Büchi's d-th power problem, our main tool, which is also developed in this paper, is a function-field analog of a GCD estimate in a recent work of Levin and Levin-Wang. As an easy corollary of such a GCD estimate, we also obtain an asymptotic result.
中文翻译:
关于函数场的 Pisot d-th 根猜想和相关 GCD 估计
我们提出了关于线性递推的 Pisot d根猜想的函数场模拟,并在一些“非平凡”假设下证明了它。除了 Pasten-Wang 在 Büchi 的d 次幂问题上的最新结果外,我们的主要工具(也在本文中开发)是 Levin 和 Levin-Wang 最近工作中 GCD 估计的函数场模拟。作为这种 GCD 估计的一个简单推论,我们还获得了渐近结果。