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arXiv 2112.04416math.COcs.FL
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Thue-Morse字、Rudin-Shapiro字和倍周期字的周期复杂度函数

The periodic complexity function of the Thue-Morse word, the Rudin-Shapiro word, and the period-doubling word

Narad Rampersad

摘要:

我们重新审视了由Mackisi和Restivo引入的周期复杂度函数$h_{\bf w}(n)$。该函数给出循环无限字${\bf w}$的第一个$n$局部周期的平均值。我们给出了一个不同的方法,比Mapposi和Restivo计算的Thue-莫尔斯字的周期复杂度函数的渐近性,并展示了如何将该方法应用于其他自动序列,如鲁丁-夏皮罗字和倍周期字。

英文摘要:

We revisit the periodic complexity function $h_{\bf w}(n)$ introduced by Mignosi and Restivo. This function gives the average of the first $n$ local periods of a recurrent infinite word ${\bf w}$. We give a different method than that of Mignosi and Restivo for computing the asymptotics of the periodic complexity function of the Thue-Morse word and show how to apply the method to other automatic sequences, like the Rudin-Shapiro word and the period-doubling word.

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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