The existence of multiple periodic solutions of nonautonomous delay differential equations (Q555009)
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scientific article; zbMATH DE number 5930819
| Language | Label | Description | Also known as |
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| English | The existence of multiple periodic solutions of nonautonomous delay differential equations |
scientific article; zbMATH DE number 5930819 |
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The existence of multiple periodic solutions of nonautonomous delay differential equations (English)
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22 July 2011
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Summary: We study the multiplicity of periodic solutions of nonautonomous delay differential equations which are asymptotically linear both at zero and at infinity. By making use of a theorem of Benci, some sufficient conditions are obtained to guarantee the existence of multiple periodic solutions.
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variational functional
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nonautonomous delay differential equations
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multiple periodic solutions
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