A regularity result of a class of second order divergenceform elliptic equation was obtained.
得到了一类二阶散度型椭圆方程很弱解的一个正则性结果。
2
We are concerned with estimates of the cost of controllability of parabolic equations in divergenceform.
本文所讨论的问题是散度形式的变系数热方程近似能控和零能控的成本估计。
3
In this paper, the local estimates for the classical solutions of a class of equations and systems in divergenceform is obtained by certain kind of function.