Multiple nontrivial solutions for nonlinear periodic problems with the p-Laplacian

被引:28
|
作者
Aizicovici, Sergiu
Papageorgiou, Nikolaos S. [2 ,3 ]
Staicu, Vasile [1 ]
机构
[1] Univ Aveiro, Dept Math, P-3810193 Aveiro, Portugal
[2] Natl Tech Univ Athens, Dept Math, Athens 15780, Greece
[3] Ohio Univ, Dept Math, Athens, OH 45701 USA
关键词
degree theory; scalar p-Laplacian; periodic solutions; local minimizers; solutions of constant sign;
D O I
10.1016/j.jde.2007.05.012
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We consider a nonlinear periodic problem driven by the scalar p-Laplacian with a nonsmooth potential (hemivariational inequality). Using the degree theory for multivalued perturbations of (S)+-operators and the spectrum of a class of weighted eigenvalue problems for the scalar p-Laplacian, we prove the existence of at least three distinct nontrivial solutions, two of which have constant sign. (C) 2007 Elsevier Inc. All rights reserved.
引用
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页码:504 / 535
页数:32
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