Group theoretic methods for approximate invariants and Lagrangians for some classes of \(y^{\prime\prime} + F(t)y^{\prime}+y=f(y,y^{\prime})\) (Q872764)
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scientific article; zbMATH DE number 5138035
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Group theoretic methods for approximate invariants and Lagrangians for some classes of \(y^{\prime\prime} + F(t)y^{\prime}+y=f(y,y^{\prime})\) |
scientific article; zbMATH DE number 5138035 |
Statements
Group theoretic methods for approximate invariants and Lagrangians for some classes of \(y^{\prime\prime} + F(t)y^{\prime}+y=f(y,y^{\prime})\) (English)
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28 March 2007
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Approximate symmetries
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First integrals
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Invariants
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Lagrangians
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