Subharmonic solutions of planar Hamiltonian systems via the Poincaré́-Birkhoff theorem
We revisit some recent results obtained in [1] about the existence of subharmonic solutions for a class of (nonautonomous) planar Hamiltonian systems, and we compare them with the existing literature. New applications to undamped second order equations are discussed, as well.<br />
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| Format: | Article |
| Language: | English |
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Università degli Studi di Catania
2011-06-01
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| Series: | Le Matematiche |
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| Online Access: | http://www.dmi.unict.it/ojs/index.php/lematematiche/article/view/860 |