Periodic solutions of Duffing equations with semi-quadratic potential and singularity |
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| Authors: | Zaihong Wang Jing Xia Dongyun Zheng |
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| Institution: | Department of Mathematics, Capital Normal University, Beijing 100037, People's Republic of China |
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| Abstract: | In this paper, we deal with the existence of periodic solutions of the second order differential equations x″+g(x)=p(t) with singularity. We prove that the given equation has at least one periodic solution when g(x) has singularity at origin,  satisfies |
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| Keywords: | Duffing equation Periodic solution Singularity |
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