scientific article; zbMATH DE number 917272

zbMath0852.34037MaRDI QIDQ4889671

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Publication date: 15 October 1996

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zbMATH Keywords

small parametervan der Pol equationapproximate group analysisapproximate Bäcklund transform

Mathematics Subject Classification ID

Transformation and reduction of ordinary differential equations and systems, normal forms (34C20) Analytical theory of ordinary differential equations: series, transformations, transforms, operational calculus, etc. (34A25)

Related Items (2)

Approximate transformations for Van der Pol-type equations ⋮ Approximate conditions admitted by classes of the Lagrangian \(\mathcal{L} = \frac{1}{2}(- u^{\prime 2} + u^2) + \epsilon^i g_i(u, u^\prime, u)\)

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