TY - JOUR AU - Dirk Hundertmark AU - Michal Jex AU - Markus Lange TI - Quantum systems at the brink: existence of bound states, critical potentials, and dimensionality JO - Forum of Mathematics, Sigma PY - 2023 VL - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1017/fms.2023.39/ DO - 10.1017/fms.2023.39 LA - en ID - 10_1017_fms_2023_39 ER -