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arXiv 1201.5146math.APmath-phmath.MP
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线性层合板抛物型和椭圆型方程组的梯度估计

Gradient estimates for parabolic and elliptic systems from linear laminates

Hongjie Dong

摘要:

我们建立了二阶发散型抛物型和椭圆型方程组的几个梯度估计。假设系数和数据在时间变量和除一个空间变量外的所有空间变量中是Hölder或Dini连续的。这种类型的系统源于线性弹性层压板和复合材料的问题。为了证明,我们以一种新颖的方式使用Campanato的方法。在类似的条件下,讨论了非散度型方程。

英文摘要:

We establish several gradient estimates for second-order divergence type parabolic and elliptic systems. The coefficients and data are assumed to be Hölder or Dini continuous in the time variable and all but one spatial variables. This type of systems arises from the problems of linearly elastic laminates and composite materials. For the proof, we use Campanato's approach in a novel way. Non-divergence type equations under a similar condition are also discussed.

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