Abstract
In this paper we define free, torsion-free and torsion-free completely on an automaton. We prove some properties of them which are important
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References
F. Kasch,Modules and Rings, Academic Press, New York, 1982.
C.H. Park,On right congruences associated with the input Semigroup S of Automata, Semigroup Forum Vol.48(1994) 263–271.
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Park, CH. On free and torsion-free automata. Korean J. Com. Math. 1, 75–78 (1994). https://doi.org/10.1007/BF02943051
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DOI: https://doi.org/10.1007/BF02943051