INVERSION IS POSSIBLE IN GROUPS WITH NO PERIODIC AUTOMORPHISMS Auteur(s): Bridson Martin R., Short H. (Article) Publié: Proceedings Of The Edinburgh Mathematical Society, vol. p. (2016) Ref HAL: hal-01261851_v1 DOI: 10.1017/S0013091514000388 Exporter : BibTex | endNote Résumé: There exist infinite, finitely presented, torsion-free groups G such that Aut(G) and Out(G) are torsion-free but G has an automorphism sending some non-trivial element to its inverse.