LOCAL SOLVABILITY OF SECOND ORDER TRANSVERSELY HYPERBOLIC LEFT INVARIANT OPERATORS ON THE HEISENBERG GROUP  

作　　者：崔尚斌 

机构地区：[1]Department of Mathematics, Lanzhou University, Lanzhou 730000, PRC

出　　处：《Chinese Science Bulletin》1991年第7期534-537,共4页

摘　　要：Ⅰ. INTRODUCTIONConsider the differential operators■and(a_jk)is a symmetric real matrix.L_x is a second order homogeneous left invariant opera-

关 键 词：HEISENBERG group local SOLVABILITY nondiscrete phenomena. 

分 类 号：N[自然科学总论]