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Boundary pointwise C1, and C2, regularity for fully nonlinear elliptic equations
Journal of Differential Equations ( IF 2.4 ) Pub Date : 2020-07-01 , DOI: 10.1016/j.jde.2020.01.006
Yuanyuan Lian , Kai Zhang

Abstract In this paper, we obtain the boundary pointwise C 1 , α and C 2 , α regularity for viscosity solutions of fully nonlinear elliptic equations. That is, if ∂Ω is C 1 , α (or C 2 , α ) at x 0 ∈ ∂ Ω , the solution is C 1 , α (or C 2 , α ) at x 0 . Our results are new even for the Laplace equation. Moreover, our proofs are simple.

中文翻译:

边界点 C1 和 C2,完全非线性椭圆方程的正则性

摘要 在本文中,我们得到了全非线性椭圆方程粘度解的边界点C 1 , α 和C 2 , α 正则性。也就是说,如果 ∂Ω 在 x 0 ∈ ∂ Ω 处为 C 1 , α (或 C 2 , α ),则解为 x 0 处的 C 1 , α (或 C 2 , α )。即使对于拉普拉斯方程,我们的结果也是新的。此外,我们的证明很简单。
更新日期:2020-07-01
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