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一类微分算子的亚椭圆性与局部可解性
On the Hypoelliptcity and Local Solvability of a Class of Differential Operators
【摘要】 考虑形如P=(Dt—iatkDxl)(Dl—ibtkDxl)+ctk-1Dxl的一类线性微分算子,给出其在原点亚椭圆性与局部可解性的条件。
【Abstract】 Such a class of differential operators in the form as P = (Dt- iatkDzl)(Dt-ibtkDx1) +ctk-1 Dx1 are discussed and the conditions of hypoelliptcity and local solvability at the origin are given.
【关键词】 微分算子;
亚椭圆性;
局部可解性;
共轭算子;
【Key words】 differential operator; hypoelliptcity; local solvability; conjugate operator.;
【Key words】 differential operator; hypoelliptcity; local solvability; conjugate operator.;
- 【文献出处】 东北工学院学报 , 编辑部邮箱 ,1990年05期
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