Uniqueness of solutions to Schrödinger equations on 2-step nilpotent Lie groups

Jean Ludwig, Detlef Müller

Let g=g_1+g_2, [g,g] =g_2, be a nilpotent Lie algebra of step 2, V_1,..., V_m a basis of g_1 and L=\sum_{j,k} a_{jk} V_j V_k be a left-invariant differential operator on G=exp (g),…