Quelques questions d'approximation faible pour les tores algébriques

J-L. Colliot-Thélène, V. Suresh

Let K be a global field, T a K-torus and S a finite set of places of K. Let K_v be the completion at a place v. Denote by T(O_v) the maximal compact subgroup of the group T(K_v) of…