Periodic solutions for nonautonomous second order systems with sublinear nonlinearity (Q4210580)
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scientific article; zbMATH DE number 1201835
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Periodic solutions for nonautonomous second order systems with sublinear nonlinearity |
scientific article; zbMATH DE number 1201835 |
Statements
Periodic solutions for nonautonomous second order systems with sublinear nonlinearity (English)
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22 September 1998
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coercive
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the (PS) condition
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Sobolev's inequality
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Wirtinger's inequality
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the least action principle
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the saddle point theorem
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periodic solutions
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