Abstract
In this paper, we study the existence of multiple and infinite homoclinic solutions for the following perturbed dynamical systems
where \(t\in {\mathbb R}, x\in {\mathbb R}^N,\) A is an antisymmetric constant matrix, the matrix L(t) is not necessary positive definite for all \(t\in {\mathbb R}\) nor coercive, the nonlinearity \(W \in C^{1}(\mathbb {R}\times \mathbb {R}^{N},\mathbb {R})\) involves a combination of superquadratic and subquadratic terms and is allowed to be sign-changing and \(f\in C({\mathbb R},{\mathbb R}^{N})\cap L^{2}({\mathbb R},{\mathbb R}^{N}).\) Recent results in the literature are generalized and significantly improved and some examples are also given to illustrate our main theoretical results.
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Benhassine, A. Multiple of Homoclinic Solutions for a Perturbed Dynamical Systems with Combined Nonlinearities. Mediterr. J. Math. 14, 132 (2017). https://doi.org/10.1007/s00009-017-0930-x
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DOI: https://doi.org/10.1007/s00009-017-0930-x