摘要
讨论了一类典型的高维重特征算子的亚椭圆性,并利用不变变换群得到了此类方程的解。
The hypoellipticity of a class of doublecharacteristic operator in higher dimension is discussed.Some solutions of related equations are obtained by using the invariant transformation group method.
出处
《信阳师范学院学报(自然科学版)》
CAS
1998年第1期25-27,共3页
Journal of Xinyang Normal University(Natural Science Edition)
关键词
重特征算子
亚椭圆性
不变变换群
Double characteristic operator
Hypoellipticity
Invariant transformation group