Existence of solutions for nonlinear Robin problems with the p-Laplacian and hemivariational inequality

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作者
Jing Zhang
机构
[1] Harbin Normal University,Y.Y. Tseng Functional Analysis Research Center
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关键词
p-Laplacian; nonsmooth potential; hemivariational inequality; sub-sup solution method; second deformation theorem;
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摘要
In this paper, we show the existence of at least three nontrivial solutions for a nonlinear elliptic equation driven by the p-Laplacian with a nonsmooth potential (hemivariational inequality) and Robin boundary condition. Two of these solutions are of constant sign (one is positive, the other negative). We mainly use a variational approach together with a sub-sup solution method.
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