Quasi-homogeneous linearization of degenerate vector fields

Journal of Mathematical Analysis and Applications
Doi 10.1016/j.jmaa.2019.123635
Volumen 483
Citas: 0
© 2019 Elsevier Inc.We characterize the analytic planar vector fields orbitally equivalent to its quasi-homogeneous leader term, by means the existence of a class of inverse integrating factors. Such a class of inverse integrating factors is determined by providing a normal form of two-dimensional scalar functions. This fact allows us to give some relevant criteria on t-linearization, analytical integrability and characterization of the centers for several families of planar vector fields. We study the systems whose leader term is quadratic or cubic and we analyze also a class of nilpotent systems.
Degenerate vector fields, Linearization of vector fields, Quadratic and cubic systems
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