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Bounded weak solutions to elliptic PDE with data in Orlicz spaces
Journal of Differential Equations ( IF 2.4 ) Pub Date : 2021-06-30 , DOI: 10.1016/j.jde.2021.06.025 David Cruz-Uribe , Scott Rodney
中文翻译:
Orlicz 空间中数据的椭圆偏微分方程的有界弱解
更新日期:2021-07-01
Journal of Differential Equations ( IF 2.4 ) Pub Date : 2021-06-30 , DOI: 10.1016/j.jde.2021.06.025 David Cruz-Uribe , Scott Rodney
A classical regularity result is that non-negative solutions to the Dirichlet problem in a bounded domain Ω, where , , satisfy . We extend this result in three ways: we replace the Laplacian with a degenerate elliptic operator; we show that we can take the data f in an Orlicz space that lies strictly between and , ; and we show that we can replace the norm in the right-hand side by a smaller expression involving the logarithm of the “entropy bump” , generalizing a result due to Xu.
中文翻译:
Orlicz 空间中数据的椭圆偏微分方程的有界弱解
一个经典的正则结果是狄利克雷问题的非负解 在有界域Ω中,其中 , , 满足 . 我们以三种方式扩展这个结果:我们用退化椭圆算子替换拉普拉斯算子;我们证明我们可以在 Orlicz 空间中获取数据f 严格地介于 和 , ; 我们证明我们可以替换 右侧的范数由一个更小的表达式涉及“熵凸点”的对数 ,概括了由于徐的结果。