Unicité des formes normales pour la singularité de Takens-Bogdanov dans un cas particulier [Unique normal forms for the Takens-Bogdanov singularity in a special case]

作者：Wang X^*; Chen G; Wang D

来源：Comptes Rendus de l'Academie des Sciences - Series I: Mathematics , 2001, 332(6): 551-555.

DOI：10.1016/S0764-4442(01)01869-9

We consider further reduction of normal forms for nilpotent planar vector fields. We give a unique normal form for a special case of an open problem for the Takens-Bogdanov singularity.

• 出版日期2001
• 单位清华大学; 北京大学