A note on existence and uniqueness of limit cycles for Liénard systems |
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| Authors: | Timoteo Carletti Gabriele Villari |
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| Affiliation: | a Scuola Normale Superiore, piazza dei Cavalieri 7, 56126 Pisa, Italy
b Dipartimento Matematica U. Dini, viale Morgagni 67/A, 50134 Firenze, Italy |
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| Abstract: | We consider the Liénard equation and we give a sufficient condition to ensure existence and uniqueness of limit cycles. We compare our result with some other existing ones and we give some applications. |
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| Keywords: | Lié nard equation Limit cycles Existence and uniqueness |
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