TY - JOUR AU - Tamara Bottazzi AU - Alejandro Varela TI - Unitary subgroups and orbits of compact self-adjoint operators JO - Studia Mathematica PY - 2017 SP - 155 EP - 176 VL - 238 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm8690-12-2016/ DO - 10.4064/sm8690-12-2016 LA - en ID - 10_4064_sm8690_12_2016 ER -