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Analytic nilpotent centers with analytic first integral - MaRDI portal

Analytic nilpotent centers with analytic first integral (Q960898)

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scientific article; zbMATH DE number 5687535
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Analytic nilpotent centers with analytic first integral
scientific article; zbMATH DE number 5687535

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    Analytic nilpotent centers with analytic first integral (English)
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    29 March 2010
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    This paper considers an analytic system having an isolated nilpotent singularity at the origin: \[ \dot{x}=y+X_2(x,y), \dot{y}=Y_2(x,y). \] A necessary condition for local analytic integrability is given. The condition can be verified using the normal form theory.
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    nilpotent centers
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    analytics integrability
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    planar differential systems
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