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Periodic solutions for nonautonomous second order systems with sublinear nonlinearity |
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| Authors: | Chun-Lei Tang |
| Institution: | Department of Mathematics, Southwest Normal University, Chongqing 400715, People's Republic of China |
| Abstract: | The existence and multiplicity of periodic solutions are obtained for nonautonomous second order systems with sublinear nonlinearity by using the least action principle and the minimax methods. |
| Keywords: | Coercive the (PS) condition Sobolev's inequality Wirtinger's inequality the least action principle the Saddle Point Theorem periodic solution |
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