| 具有非负特征的二阶微分方程解的光滑性 |
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| 引用本文： | 易法槐.具有非负特征的二阶微分方程解的光滑性[J].西安交通大学学报,1988(1). |
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| 作者姓名： | 易法槐 |
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| 作者单位： | 西安交通大学数学系 |
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| 摘 要： | 本文讨论具有非负特性的二阶微分算子在一定条件下具有亚椭圆性时,其失去导数的精确估计.
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| 关 键 词： | 微分方程 |
THE SMOOTHNESS OF THE SOLUTION OF SECOND ORDER DIFFERENTIAL EQUATION WITH NONNEGATIVE CHARACTERISTICS |
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| Yi Fahuai.THE SMOOTHNESS OF THE SOLUTION OF SECOND ORDER DIFFERENTIAL EQUATION WITH NONNEGATIVE CHARACTERISTICS[J].Journal of Xi'an Jiaotong University,1988(1). |
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| Authors: | Yi Fahuai |
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| Institution: | Department of Mathematics |
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| Abstract: | This paper is devoted to the discussion of accurate estimates of losing derivative for second order differential operator with nonnegative characteristics which possesses hypoellipticity under certain conditions. |
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| Keywords: | differential equation |
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