J. Llibre, A. Makhlouf.
Periodic orbits of a galactic Hamiltonian system.
Preprint. November, 2025.
Abstract

S. Jana, J. Llibre.
$n$-dimensional Lotka-Volterra systems with a Darboux invariant.
Preprint. November, 2025.
Abstract

M. T. A. Cabrera, R. Cristiano, J. Llibre.
Phase portraits of a Lotka-Volterra model with discontinuous harvesting action.
Preprint. November, 2025.
Abstract

J. Llibre, R. O. Ramírez.
Inverse problems for the Stäckel mechanical systems.
Preprint. November, 2025.
Abstract

J. Llibre, B. D. Lopes, J. R. Moraes.
On the limit cycles of a class of cubic polynomial differential systems.
Preprint. October, 2025.
Abstract

E. Diz Pita, J. Llibre, M. V. Otero Espinar, C. Valls.
On the dynamics of the autonomous Duffing-Holmes oscillator.
Preprint. October, 2025.
Abstract

W. M. Batista, J. Llibre, D. J. Tonon.
Sewing limit cycles for piecewise smooth systems with two linear centers and a coupled rigid center.
Preprint. October, 2025.
Abstract

J. Giné, M. Grau, J. Llibre.
Hopf bifurcation of limit cycles surrounding a node.
Preprint. October, 2025.
Abstract

J. Llibre, L. F. Mello.
The global injectivity of $C^2$ maps in $R^2$.
Preprint. October, 2025.
Abstract

J. Llibre, L. F. Mello.
A necessary and sufficient condition and some sufficient conditions in order that the real Jacobian conjecture in $R^2$ holds.
Preprint. October, 2025.
Abstract

B. Muthuswamy, J. Ginoux, R. Meucci, J. Llibre, L. O. Chua.
Reverse newhouse-Ruelle-Takens route to chaos and time-Dependent hamiltonian formulation of a generalized muthuswamy-Chua system.
Preprint. September, 2025.
Abstract

X. Hu, B. Huang, J. Llibre, Y. Tang.
Periodic orbits of hamiltonian systems in $R^{2n}$ via averaging theory.
Preprint. September, 2025.
Abstract

A. Murza, J. Llibre.
Darboux theory of integrability for real polynomial vector fields on the n-dimensional hyperboloid.
Preprint. August, 2025.
Abstract

Y. Li, J. Llibre.
Dynamics of a differential system in $R^3$ with a simple chaotic flow.
Preprint. August, 2025.
Abstract

J. Llibre, H. Zeng.
Global phase portraits of a SIS model with importation and removal.
Preprint. July, 2025.
Abstract

L. Queiroz, J. Llibre.
On a class of Hamiltonian Kolmogorov systems.
Preprint. June, 2025.
Abstract

R. F. Appis, J. Llibre.
No global centers in a class of cubic systems.
Preprint. June, 2025.
Abstract

J. Llibre, A. C. Rezende, L. P. Serantola.
The periodic orbits of some classes of $3$-dimensional relay hybrid systems.
Preprint. June, 2025.
Abstract

A. Murza, J. Llibre.
Polynomial vector fields on the whitney umbrella.
Preprint. June, 2025.
Abstract

J. Llibre, G. Rondon.
The dynamics of the Ehrhard-Müller system with invariant algebraic surfaces.
Preprint. May, 2025.
PreprintAbstract