Periodic solutions of a second order nonautonomous differential system. (Q1873589)
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scientific article; zbMATH DE number 1916600
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Periodic solutions of a second order nonautonomous differential system. |
scientific article; zbMATH DE number 1916600 |
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Periodic solutions of a second order nonautonomous differential system. (English)
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23 September 2003
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Using Mawhin's coincidence degree theory and Borsuk's theorem, new sufficient conditions for the existence of periodic solutions for a second-order nonautonomous differential system are given. These results substantially extend and improve related results in the literature.
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nonautonomous
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Liénard system
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periodic solution
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coincidence degree
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