Periodic solutions of nonautonomous seco
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Xing-Ping Wu; Chun-Lei Tang
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Article
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2003
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Elsevier Science
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English
⚖ 218 KB
Some existence and multiplicity theorems are obtained for periodic solutions of nonautonomous second-order Hamiltonian systems with even-typed potentials by the least action principle and the minimax methods in critical point theory.