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math.CO2024
Repetition Threshold for Binary Automatic Sequences
J. -P. Allouche, N. Rampersad, J. Shallit
The critical exponent of an infinite word is the supremum, over all finite nonempty factors , of the exponent of . In this note we show that for all integers $k\geq 2…
math.CO2024
Combinatorics on words and generating Dirichlet series of automatic sequences
Jean-Paul Allouche, Jeffrey Shallit, Manon Stipulanti
Generating series are crucial in enumerative combinatorics, analytic combinatorics, and combinatorics on words. Though it might seem at first view that generating Dirichlet series…