2009/01/30 by Llibre, Jaume, Pessoa, Claudio
#34C35 #34D30 #58F09 #Dynamical Systems (math.DS) #FOS: Mathematics
paper · doi:10.48550/arxiv.0901.4971
We classify all the centers of a planar weight-homogeneous polynomial vector field of weight degree 1, 2, 3 and 4.