Positive Periodic Solutions of Systems of Second Order Ordinary Differential Equations |
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| Authors: | Donal O'Regan Haiyan Wang |
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| Institution: | (1) Department of Mathematics, National University of Ireland, Galway, Ireland;(2) New College of Interdisciplinary Arts and Sciences, Arizona State University, PO Box 37100, Phoenix, AZ 85069, USA |
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| Abstract: | We establish the existence, multiplicity and nonexistence of positive periodic solutions of systems of second order ordinary
differential equations. |
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| Keywords: | Primary: 34B15 |
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