A. Cima, A. Gasull, V. Mañosa, F. Mañosas.
On some rational piecewise linear rotations.
J. Difference Equ. Appl. 2023 (Published online)
PreprintAbstract

J. J. Jimenez Ruiz, J. Llibre, C. Valls.
Limit cycles for discontinuous piecewise differential systems in $R^3$ separated by a paraboloid.
Differ. Equ. Dyn. Syst. 2023 (Published online)
PreprintAbstract

J. Li, J. Llibre.
Phase portraits of a class of continuous piecewise linear differential systems.
Differ. Equ. Dyn. Syst. 2023 (Published online)
PreprintAbstract