On nonlinear eigenvalue problems

On nonlinear eigenvalue problems
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关于非线性特征值问题

DOI:
10.1515/form.1992.4.359
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发表时间:
1992
期刊:
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影响因子:
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通讯作者:
J. Chabrowski
J. Chabrowski
中科院分区:
--
文献类型:
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作者:
J. Chabrowski

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本文的目的是建立A(u) + C(u) = μB(u)问题的特征值和特征函数无穷序列(μm, um)的存在性,其中A、B、C是一个实数无限维Banach空间X到它的对偶X的映射,n是一个实数参数。利用Lusternik-Schnirelman临界点理论中的极大极小法证明了这一点。作为一个应用,我们得到了自伴随椭圆算子和p-拉普拉斯算子非线性问题的特征值和特征函数无穷序列的存在性。
The aim of this paper is to establish the existence of infinite sequence of eigenvalues and eigenfunctions (μm, um) for the problem A(u) + C(u) = μB(u), where A, B and C are mappings from a real infinite dimensional Banach space X into its dual X and n is a real parameter. This is proved using minimax approach from Lusternik-Schnirelman theory of critical points. As an application we obtain the existence of infinite sequence of eigenvalues and eigenfunctions for nonlinear problems for selfadjoint elliptic operator and the p-Laplacian.