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We consider prenormal forms associated to generic perturbations of the system . It is known that they have a formal normal form , where [Differential Equations 158 (1) (1999) 152–173]. We show that the series A0 and the normalizing transformations are divergent, but 1-summable.
On considère des formes prénormales associées à des perturbations génériques du système . Il est connu qu'elles admettent une forme normale formelle , où [Differential Equations 158 (1) (1999) 152–173]. Nous démontrons que A0 et les transformations normalisantes sont divergentes, mais 1-sommable.
Canalis-Durand, Mireille 1 ; Schäfke, Reinhard 2
@article{CRMATH_2003__336_2_129_0, author = {Canalis-Durand, Mireille and Sch\"afke, Reinhard}, title = {On the normal form of a system of differential equations with nilpotent linear part}, journal = {Comptes Rendus. Math\'ematique}, pages = {129--134}, publisher = {Elsevier}, volume = {336}, number = {2}, year = {2003}, doi = {10.1016/S1631-073X(02)00022-5}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.1016/S1631-073X(02)00022-5/} }
TY - JOUR AU - Canalis-Durand, Mireille AU - Schäfke, Reinhard TI - On the normal form of a system of differential equations with nilpotent linear part JO - Comptes Rendus. Mathématique PY - 2003 SP - 129 EP - 134 VL - 336 IS - 2 PB - Elsevier UR - http://geodesic.mathdoc.fr/articles/10.1016/S1631-073X(02)00022-5/ DO - 10.1016/S1631-073X(02)00022-5 LA - en ID - CRMATH_2003__336_2_129_0 ER -
%0 Journal Article %A Canalis-Durand, Mireille %A Schäfke, Reinhard %T On the normal form of a system of differential equations with nilpotent linear part %J Comptes Rendus. Mathématique %D 2003 %P 129-134 %V 336 %N 2 %I Elsevier %U http://geodesic.mathdoc.fr/articles/10.1016/S1631-073X(02)00022-5/ %R 10.1016/S1631-073X(02)00022-5 %G en %F CRMATH_2003__336_2_129_0
Canalis-Durand, Mireille; Schäfke, Reinhard. On the normal form of a system of differential equations with nilpotent linear part. Comptes Rendus. Mathématique, Tome 336 (2003) no. 2, pp. 129-134. doi: 10.1016/S1631-073X(02)00022-5
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