Authors: LUO XB NIU PC

Citation: Xb. Luo et Pc. Niu, ON THE EIGENVALUES OF THE OPERATOR SUM OF SQUARES OF VECTOR-FIELDS, Chinese Science Bulletin, 43(3), 1998, pp. 263-263

Authors: LUO XB

Citation: Xb. Luo, GLOBAL ANALYTICITY FOR QUASI-HOMOGENEOUS LINEAR PARTIAL-DIFFERENTIAL EQUATIONS, Communications in partial differential equations, 23(7-8), 1998, pp. 1171-1179

Authors: LUO XB

Citation: Xb. Luo, LIOUVILLES THEOREM FOR HOMOGENEOUS DIFFERENTIAL-OPERATORS, Communications in partial differential equations, 22(11-12), 1997, pp. 1837-1848

Authors: LUO XB HE CX

Citation: Xb. Luo et Cx. He, HYPOELLIPTIC CONVOLUTION-OPERATORS AND ROCKLAND CONDITION, Science in China. Series A, Mathematics, Physics, Astronomy & Technological Sciences, 39(10), 1996, pp. 1025-1033

Authors: LUO XB

Citation: Xb. Luo, NECESSARY AND SUFFICIENT CONDITIONS FOR HYPOELLIPTICITY FOR A CLASS OF CONVOLUTION-OPERATORS, Canadian journal of mathematics, 46(1), 1994, pp. 212-224

Authors: JIANG YP LUO XB

Citation: Yp. Jiang et Xb. Luo, A CLASS OF HOMOGENEOUS LEFT INVARIANT OPERATORS ON THE NILPOTENT LIE GROUP-G(D+2), Chinese annals of mathematics. Ser. B, 14(3), 1993, pp. 355-366