Non-uniform elliptic equations in convex Lipschitz domains

Li-Ming Yeh*

*此作品的通信作者

研究成果: Article同行評審

1 引文 斯高帕斯(Scopus)

摘要

Non-uniform elliptic equations in convex Lipschitz domains are concerned. The non-smooth domains consist of a periodic connected high permeability sub-region and a periodic disconnected matrix block subset with low permeability. Let ∈ ∈ (0,1] denote the size ratio of the matrix blocks to the whole domain and let ω2 ∈ (0,1] denote the permeability ratio of the disconnected matrix block subset to the connected sub-region. The W1,p norm for p ∈ (1, ∞) of the elliptic solutions in the high permeability sub-region is shown to be bounded uniformly in ω, ∈. However, the W1,p norm of the solutions in the low permeability subset may not be bounded uniformly in ω, ∈. Roughly speaking, if the sources in the low permeability subset are small enough, the solutions in that subset are bounded uniformly in ω, ∈. Otherwise the solutions cannot be bounded uniformly in ω, ∈. Relations between the sources and the variation of the solutions in the low permeability subset are also presented in this work.

原文English
頁(從 - 到)63-81
頁數19
期刊Nonlinear Analysis, Theory, Methods and Applications
118
DOIs
出版狀態Published - 1 1月 2015

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