一类重特征算子的亚椭圆性  

Hypoellipticity of a Class of Double Characteristic Operator in Higher Dimension

作　　者：Zhang Quanju (Dept of Bacic Courses,Xián University of Architecture and Teachnology. Xián,Shanxi China 710055) 

机构地区：[1]安西建筑科技大学

出　　处：《信阳师范学院学报（自然科学版）》1998年第1期25-27,共3页Journal of Xinyang Normal University(Natural Science Edition)

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.

关 键 词：重特征算子 亚椭圆性 不变变换群 

分 类 号：O175.3[理学—数学]