Geodesic
Versal deformations of $D_q$-invariant 2-parameter families of planar vector fields
Annales Polonici Mathematici, Tome 62 (1995) no. 3, pp. 265-281.

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

The paper deals with 2-parameter families of planar vector fields which are invariant under the group $D_q$ for q ≥ 3. The germs at z = 0 of such families are studied and versal families are found. We also give the phase portraits of the versal families.
DOI : 10.4064/ap-62-3-265-281
Keywords: versal family, bifurcation, $D_q$-invariant

Grzegorz Świrszcz 1

1 
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Grzegorz Świrszcz. Versal deformations of $D_q$-invariant 2-parameter families of planar vector fields. Annales Polonici Mathematici, Tome 62 (1995) no. 3, pp. 265-281. doi : 10.4064/ap-62-3-265-281. http://geodesic.mathdoc.fr/articles/10.4064/ap-62-3-265-281/

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