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Factor and arithmetic complexity of concatenating the 𝑛!

https://doi.org/10.22405/2226-8383-2023-24-4-341-344

Abstract

In this paper, we show that factor complexity of the infinite word F𝑏 is defined by concatenating base-𝑏 representations of the 𝑛! is full. Then we show that the arithmetic complexity of this word is full as well. On the other hand, F𝑏 is a disjunctive word. In number theory, this kind of words is called rich numbers.

About the Authors

Abdullah Duaa
Moscow Institute of Physics and Technology
Russian Federation


Meisami Mahdi
University of Isfahan
Islamic Republic of Iran


References

1. S.V. Avgustinovich, D.G. Fon-Der-Flaass, and A.E. Frid. 2003, “Arithmetical complexity of infinite words”, Languages and Combinatorics III (Proc. 3rd ICWLC, Kyoto, March 2000), World Scientific, Singapore, pp. 51–62.

2. L. Kuipers and H. Niderreiter. 1974, “Uniform Distribution of Sequences”, Pure and applied mathematics, A Wiley-Interscience publication, New York.

3. J. E. Maxfield. 1997, “A Note on 𝑛!, Mathematics Magazine, 43 (1997), pp. 64–67.

4. M. Morse and G. A. Hedlund. 1938, “Symbolic dynamics”, Amer. J. Math., 60, pp. 815-–866.

5. M. Rigo. 2014, “Formal languages, automata and numeration systems 1: Introduction to combinatorics on words”, John Wiley & Sons.


Review

For citations:


Duaa A., Mahdi M. Factor and arithmetic complexity of concatenating the 𝑛! Chebyshevskii Sbornik. 2023;24(4):341-344. (In Russ.) https://doi.org/10.22405/2226-8383-2023-24-4-341-344

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ISSN 2226-8383 (Print)