HYPOELLIPTIC ESTIMATE FOR SOME COMPLEX VECTOR FIELDS  

作　　者：LI Wei-xi LIU Lv-qiao ZENG Juan 

机构地区：[1]School of Mathematics and Statistics,Statistics and Computational Science Hubei Key Laboratory,Wuhan University,Wuhan 430072,China [2]School of Mathematics and Statistics,Wuhan University,Wuhan 430072,China

出　　处：《数学杂志》2020年第5期505-507,共3页Journal of Mathematics

基　　金：National Natural Science Foundation of China(10671182)。

摘　　要：1 Introduction and Main Results LetΩ■Rnbe a neighborhood of 0,and denote by%the square root of—1.We considerthe following system of complex vector fieldsPj=■xj-i(■xjφ(x))■t,j=1,…,n,(x,t)∈Ω×R,(1.1)whereφ(x)is a real-valued function defined in.

关 键 词：NEIGHBORHOOD VALUED SYSTEM 

分 类 号：O182.1[理学—数学]