2003
DOI: 10.1155/s1085337503305044
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Three periodic solutions to an eigenvalue problem for a class ofsecond‐order Hamiltonian systems

Abstract: We establish a multiplicity result to an eigenvalue problem related to second-order Hamiltonian systems. Under new assumptions, we prove the existence of an open interval of positive eigenvalues in which the problem admits three distinct periodic solutions

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Cited by 27 publications
(8 citation statements)
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“…We mention finally another interesting result on the topic recently obtained by Cordaro in [3] where the author proves the existence of at least three periodic solutions for system (S λ ). We notice that in the previous results it is not known whether λ can be taken equal to 1.…”
Section: Introductionmentioning
confidence: 67%
“…We mention finally another interesting result on the topic recently obtained by Cordaro in [3] where the author proves the existence of at least three periodic solutions for system (S λ ). We notice that in the previous results it is not known whether λ can be taken equal to 1.…”
Section: Introductionmentioning
confidence: 67%
“…All of the papers quoted above consider the problem without the perturbation term ∇G. We also note that, instead of [3,5], our multiplicity result is proved without assuming the positive definiteness of the matrix A(·) in [0, T ].…”
Section: Introductionmentioning
confidence: 94%
“…Focusing our attention on those ones which carried out their studies about the three periodic solutions, we cite Tang and Wu [9][10][11]. More recently other contributions to this topic has been given by Cordaro in [3] and Faraci in [5,6]. However, at our best knowledge, there are not many results of the type of Theorem 3.1 proposed here.…”
Section: Introductionmentioning
confidence: 97%
“…Background information and applications of Hamiltonian systems can be found for example in [16,28,31,37]. The monographs [29,32] have inspired a great deal of work on the existence and multiplicity of periodic solutions for Hamiltonian systems using variational techniques; for example, see [9,10,11,13,14,15,18,19,24,25,26,36,38,40,42,43,45] and the references therein.…”
Section: −ü(T) + A(t)u(t) = λ∇F (T U(t)) + µ∇G(t U(t))mentioning
confidence: 99%