简介:LetLbeann-dimensionalnilpotentLiealgebrawithabasis{x1…,xn),andeveryxiactsasalocallynilpotentderivationonalgebraA.Thispapershowsthatthereexistsasetofderivations{y1,…,yn}onU(L)suchthat(A#U(L))#k{y,1,…,yn]isismorphictotheWeylalgebraAn(A).Theauthoralsousesthede4rivationstoobtainanecessaryandsufficientconditionforafinitedimesionalLiealgebratobenilpotent.