R. Meucci,
J. Llibre, E. Pugliese, J. Ginoux.
Dynamics of a two-level laser model with delay.
Preprint. June, 2023.
Abstract
J. Llibre, D. He.
Limit cycles from the perturbation of a quadratic uniform isochronous center inside the discontinuous piecewise quadratic polynomial differential systems.
Preprint. June, 2023.
Abstract
M. R. A. Gouveia,
J. Llibre, L. P. Serantola.
Limit cycles of a class of discontinous piecewise differential systems.
Preprint. June, 2023.
Abstract
M. Duran Baldissera, B. de Carvalho,
J. Llibre.
Phase portraits of completely symmetric centers.
Preprint. May, 2023.
Abstract
L. Barreira,
J. Llibre, C. Valls.
A weakened Markus-Yamabe condition for generalized $\varphi$-Laplacian Liénard systems.
Preprint. May, 2023.
Abstract
J. Llibre.
Periodic orbits near an equilibrium for Hamiltonian systems with 2 degrees of freedom.
Preprint. April, 2023.
Abstract
Ll. Alsedà,
D. Juher, J. Los,
F. Mañosas.
Entropy stability and Milnor-Thurston invariants for Bowen-series-like maps.
Preprint. April, 2023.
PreprintAbstract
J. Llibre, D. Schlomiuk.
On the graphics in quadratic differential systems.
Preprint. April, 2023.
Abstract
L. Baymout, R. Benterki,
J. Llibre.
On the maximum number of limit cycles of discontinuous piecewise differential systems formed by a cubic uniform isochronous center and a linear center separated by a straight line.
Preprint. November, 2022.
Abstract
A. Bakhshalizadeh,
J. Llibre.
Continuous linear and quadratic differential systems on the 2-dimensional torus.
Preprint. November, 2022.
Abstract
Ll. Alsedà, S. Costa.
Coexistence of uncountably many attracting sets for skew-products on the cylinder.
Preprint. November, 2022.
PreprintAbstract
J. Li,
J. Llibre.
Global dynamics of the Ermakov-Pinney equation.
Preprint. May, 2022.
Abstract
J. Llibre, R. O. Ramírez.
Generalization of the Laplace-Runge-Lenz conservation law.
Preprint. May, 2022.
Abstract
J. Li,
J. Llibre.
Limit cycles of discontinuous piecewise differential systems separated by a straight line and formed by two cubic reversible isochronous centers.
Preprint. April, 2022.
Abstract
J. Li,
J. Llibre.
On the limit cycles of the differential equations $dr/d\theta = a_n(\theta)r^n+a_{n-1}(\theta)r^{n-1}+\cdots+a_0(\theta)$.
Preprint. March, 2022.
Abstract
J. Li,
J. Llibre.
Limit cycles of the piecewise differential systems.
Preprint. March, 2022.
Abstract
J. Llibre, J. R. Moraes.
Limit cycles of discontinuous piecewise differential systems in $R^2$ separated by one or two parallel straight lines and formed by arbitrary linear Hamiltonian systems.
Preprint. March, 2022.
Abstract
M. F. S. Lima,
J. Llibre.
Double zero-Hopf bifurcation in a four-dimensional hyperchaotic system.
Preprint. February, 2022.
Abstract
C. A. Buzzi, A. L. Rodero, M. A. Teixeira.
Stability conditions for piecewise refractive vector fields partially integrable.
Preprint. February, 2022.
Abstract
J. Llibre, C. Valls.
The extended 16th Hilbert problem for piecewise linear systems separated by a non-regular line.
Preprint. January, 2022.
Abstract