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Repetition factorization of automatic sequences
Published 25 Nov 2023 in cs.FL, cs.DM, and math.CO | (2311.14961v2)
Abstract: Following Inoue et al., we define a word to be a repetition if it is a (fractional) power of exponent at least 2. A word has a repetition factorization if it is the product of repetitions. We study repetition factorizations in several (generalized) automatic sequences, including the infinite Fibonacci word, the Thue-Morse word, paperfolding words, and the Rudin-Shapiro sequence.
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