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arXiv 1809.00679cs.FLmath.COmath.NT
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Cobham定理与自动性

Cobham's Theorem and Automaticity

Lucas Mol, Narad Rampersad, Jeffrey Shallit, Manon Stipulanti

摘要:

本文在Krebs关于Cobham定理的证明中给出了一定的界,并得到了非周期$a$ -自动序列和非周期$b$ -自动序列公共前缀长度的上界,其中$a$和$b$是乘法独立的.我们还表明,一个自动序列不能有任意大的因素,在共同的Sturmian序列。

英文摘要:

We make certain bounds in Krebs' proof of Cobham's theorem explicit and obtain corresponding upper bounds on the length of a common prefix of an aperiodic $a$-automatic sequence and an aperiodic $b$-automatic sequence, where $a$ and $b$ are multiplicatively independent. We also show that an automatic sequence cannot have arbitrarily large factors in common with a Sturmian sequence.

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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