Lower Estimate of the Regulator of the Direct Product of almost Periodic and Periodic Sequences / Raskin M.A. // Vestnik Moskovskogo Universiteta. Seriya 1. Matematika. Mekhanika. 2011. № 6. P. 7-11 [Moscow Univ. Math. Bulletin. Vol. 72, N 2, 2017. P. 0].
A lower estimate is proved for the almost periodicity regulator of the coupling of an almost periodic and a periodic sequences. This lower estimate differs from the known upper estimate only in the multiplier in the number of iterations of the regulator of the original sequence.
combinatorics on words, almost periodicity regulator, sequence coupling.