On the abelian complexity of generalized Thue-Morse sequences

On the abelian complexity of generalized Thue-Morse sequences
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广义Thue-Morse序列的阿贝尔复杂度

DOI:
10.1016/j.tcs.2019.02.014
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发表时间:
2019
影响因子:
1.1
通讯作者:
Wen Zhi Xiong
Wen Zhi Xiong
中科院分区:
计算机科学4区
文献类型:
--
作者:
Chen Jin;Wen Zhi Xiong

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本文研究了广义Thue-Morse序列t(k)的阿贝尔复杂度ρ na B(t(k)),其中k≥ 2.对于任意整数n≥ k,我们得到了ρ n a B(t(k))的精确值.因此,ρ n a B(t(k))最终是周期性的,周期为k。此外,我们证明了一类无穷序列的阿贝尔复杂性是自动序列。
In this paper, we study the abelian complexity ρ n a b (t (k)) of generalized Thue-Morse sequences t (k) for every integer k≥ 2. We obtain the exact value of ρ n a b (t (k)) for every integer n≥ k. Consequently, ρ n a b (t (k)) is ultimately periodic with period k. Moreover, we show that the abelian complexities of a class of infinite sequences are automatic sequences.