Comptes Rendus
Théorie des groupes, Théorie des nombres
New sequences of non-free rational points
Ilia Smilga1 
1 Institut des Hautes Études Scientifiques et CNRS, 35 route de Chartres, 91440 Bures-sur-Yvette, France.
Comptes Rendus. Mathématique, Volume 359 (2021) no. 8, pp. 983-989.

We exhibit some new infinite families of rational values of τ, some of them squares of rationals, for which the group or even the semigroup generated by the matrices (1101) and  (10τ1) is not free.

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DOI : 10.5802/crmath.230
Ilia Smilga 1

1 Institut des Hautes Études Scientifiques et CNRS, 35 route de Chartres, 91440 Bures-sur-Yvette, France.
Licence : CC-BY 4.0
Droits d'auteur : Les auteurs conservent leurs droits 
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     title = {New sequences of non-free rational points},
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     year = {2021},
     doi = {10.5802/crmath.230},
     language = {en},
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Ilia Smilga. New sequences of non-free rational points. Comptes Rendus. Mathématique, Volume 359 (2021) no. 8, pp. 983-989. doi : 10.5802/crmath.230. https://comptes-rendus.academie-sciences.fr/mathematique/articles/10.5802/crmath.230/

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