Geodesic
Most Transformation Semigroups Are Free
Matematičeskie zametki, Tome 87 (2010) no. 3, pp. 464-467.

Voir la notice de l'article provenant de la source Math-Net.Ru

Keywords: transformation semigroup, free semigroup, endomorphism of a tree, continuous semigroup, complete metric space, Baire category theorem. 
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V. V. Doroshenko. Most Transformation Semigroups Are Free. Matematičeskie zametki, Tome 87 (2010) no. 3, pp. 464-467. http://geodesic.mathdoc.fr/item/MZM_2010_87_3_a15/

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