The finiteness problem for monoids of morphisms
RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Tome 49 (2015) no. 1, pp. 61-65.

We study finitely generated monoids consisting of endomorphisms of a free monoid. We give a necessary and sufficient condition for such a monoid to be infinite and show that this condition is decidable. As a special case we discuss the morphism torsion problem.

Reçu le :
Accepté le :
DOI : 10.1051/ita/2014028
Classification : 20M05, 68Q45
Mots clés : Free monoid morphism, finiteness problem, decidability
Honkala, Juha 1

1 Department of Mathematics and Statistics, University of Turku, 20014 Turku, Finland
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     title = {The finiteness problem for monoids of morphisms},
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Honkala, Juha. The finiteness problem for monoids of morphisms. RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications, Tome 49 (2015) no. 1, pp. 61-65. doi : 10.1051/ita/2014028. http://www.numdam.org/articles/10.1051/ita/2014028/

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