2 papers
math.CA2021
Dynamics of a generalized Rayleigh system
Maíra Duran Baldissera, Jaume Llibre, Regilene Oliveira
Consider the first order differential system given by \begin{equation*} \begin{array}{l} \dot{x}= y, \qquad \dot{y}= -x+a(1-y^{2n})y, \end{array} \end{equation*} where is a rea…
math.CA2018
Limit cycles for two classes of control piecewise linear differential systems
J. Llibre, R. D. S. Oliveira, C. A. B. Rodrigues
We study the bifurcation of limit cycles from the periodic orbits of --dimensional linear centers when they are perturbed inside classes of continuous and dis…