| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 844423 | Nonlinear Analysis: Theory, Methods & Applications | 2007 | 17 Pages |
Abstract
In this paper, we study the existence and multiplicity of nontrivial periodic solutions for an asymptotically linear wave equation with resonance, both at infinity and at zero. The main features are using Morse theory for the strongly indefinite functional and the precise computation of critical groups under conditions which are more general.
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Authors
Yuxia Guo, Jiaquan Liu,