In this paper,we use the representation of nilpotent Lie group method to give a sufficient and necessary condition for subellipticity of Left invarient differental operators on nilpotent Lipgroup G^2n+k.
文摘In this paper,we use the representation of nilpotent Lie group method to give a sufficient and necessary condition for subellipticity of Left invarient differental operators on nilpotent Lipgroup G^2n+k.
