Subelliptic operators on Lie groups: regularity
Subelliptic operators on Lie groups: regularity
Abstract Let (ℋ, G, U ) be a continuous representation of the Lie group G by bounded operators g ↦ U(g) on the Banach space ℋ and let (ℋ, g, dU ) denote the representation of the Lie algebra g obtained by differentiation. If a 1 ,…, a d′ is …