Geodesic
Effective computation of the first Lyapunov quantities for a planar differential equation
Applicationes Mathematicae, Tome 24 (1997) no. 3, pp. 243-250.

Voir la notice de l'article provenant de la source Institute of Mathematics Polish Academy of Sciences

We take advantage of the complex structure to compute in a short way and without using any computer algebra system the Lyapunov quantities $V_3$ and $V_5$ for a general smooth planar system.
DOI : 10.4064/am-24-3-243-250
Keywords: Lyapunov quantities, weak focus, stability

A. Gasull 1 ; R. Prohens 1

1 
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A. Gasull; R. Prohens. Effective computation of the first Lyapunov quantities for a planar differential equation. Applicationes Mathematicae, Tome 24 (1997) no. 3, pp. 243-250. doi : 10.4064/am-24-3-243-250. http://geodesic.mathdoc.fr/articles/10.4064/am-24-3-243-250/

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