Orbital formal normal forms for general Bogdanov–Takens singularity

The Analytic and Formal Normal Form for the Nilpotent Singularity

Ewa Stróżyna, Henryk Żołądek · Journal of Differential Equations · 2002 · 121 citations

Natural Sciences, Physics, Theoretical Physics +11

Further reduction of the Takens-Bogdanov normal form

Alberto Baider, Jan A. Sanders · Journal of Differential Equations · 1992 · 121 citations

Natural Sciences, Physics, Theoretical Physics +5

Linear Grading Function and Further Reduction of Normal Forms

Hiroshi Kokubu, Hiroe Oka, Duo Wang · Journal of Differential Equations · 1996 · 85 citations

Education, Educational Assessment, Standard-setting +3

The analytic and formal normal form for the nilpotent singularity. The case of generalized saddle-node

Ewa Stróżyna · Bulletin des Sciences Mathématiques · 2002 · 28 citations

Natural Sciences, Mathematics, Physics +11