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arXiv math/0607621math.AP
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具有非光滑位势和高特征值共振的椭圆型方程非平凡解的多重性

Multiplicity of nontrivial solutions for elliptic equations with nonsmooth potential and resonance at higher eigenvalues

Leszek Gasi'nski, Dumitru Motreanu, Nikolaos S Papageorgiou

摘要:

考虑一类具有非光滑局部\hbox{Lipschitz}势函数(半变分不等式)的半线性椭圆型方程.我们的假设允许在无穷大和零处的双共振(双双共振情况)。我们的方法是基于局部Lipschitz泛函的非光滑临界点理论,并使用一个抽象的多重性结果下的局部链接和扩展的卡斯特罗-Lazer-Thews减少方法的非光滑设置,我们在这里开发使用的工具,从非光滑分析。

英文摘要:

We consider a semilinear elliptic equation with a nonsmooth, locally \hbox{Lipschitz} potential function (hemivariational inequality). Our hypotheses permit double resonance at infinity and at zero (double-double resonance situation). Our approach is based on the nonsmooth critical point theory for locally Lipschitz functionals and uses an abstract multiplicity result under local linking and an extension of the Castro--Lazer--Thews reduction method to a nonsmooth setting, which we develop here using tools from nonsmooth analysis.

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