TY - JOUR AU - Clotilde Fermanian Kammerer AU - Cyril Letrouit TI - Observability and controllability for the Schrödinger equation on quotients of groups of Heisenberg type JO - Journal de l’École polytechnique — Mathématiques PY - 2021 SP - 1459 EP - 1513 VL - 8 PB - École polytechnique UR - https://jep.centre-mersenne.org/articles/10.5802/jep.176/ DO - 10.5802/jep.176 LA - en ID - JEP_2021__8__1459_0 ER -