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一类拟线性椭圆方程的很弱解的唯一性 被引量:10

Uniqueness of Very Weak Solutions to a Class of Non-linear Elliptic Equations
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摘要 利用以极大函数表示的有关Sobolev函数的逐点不等式来构造全局的Lipschitz型检验函数,得到了,在一定条件下,拟线性椭圆方程-div A(x,u,Du)=f(x)在grand Sobolev空间W_0^(θ,p)(Ω)中的很弱解是唯一的. Using a pointwise inequality for Sobolev functions in terms of maximum function to construct a global Lipschitz continuous test function, the authors obtain uniqueness results for very weak solutions in grand Sobolev space W^θp) 0(Ω) to non-linear elliptic equation -divA(x,u,Du)=f(x) satisfying certain conditions.
出处 《数学年刊(A辑)》 CSCD 北大核心 2007年第1期121-130,共10页 Chinese Annals of Mathematics
基金 国家自然科学基金(No.10671064) 数学天元基金(No.A0324632) 湖南省教育厅科研基金(No.06C516)资助的项目.
关键词 唯一性 p-Hardy区域 很弱解 LIPSCHITZ连续 grand SOBOLEV空间 Uniqueness, p-Hardy domain, Very weak solution, Lipschitz continuous, grand Sobolev space
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参考文献21

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