M. T. A. Cabrera, R. Cristiano, J. Llibre.   NEW 2025-11-09
Phase portraits of a Lotka-Volterra model with discontinuous harvesting action.
Preprint. November, 2025.
Abstract

J. Llibre, R. O. Ramírez.   NEW 2025-11-09
Inverse problems for the Stäckel mechanical systems.
Preprint. November, 2025.
Abstract

J. Llibre, B. D. Lopes, J. R. Moraes.   NEW 2025-10-29
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.   NEW 2025-10-27
On the dynamics of the autonomous Duffing-Holmes oscillator.
Preprint. October, 2025.
Abstract

W. M. Batista, J. Llibre, D. J. Tonon.   NEW 2025-10-19
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.   NEW 2025-10-19
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. Gasull, D. D. Novaes, J. Torregrosa.
Weak-Coppel problem for a class of Riccati differential equations.
Preprint. September, 2025.
PreprintAbstract

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, A. Murza.
Invariant meridians and parallels on the hyperboloid of one sheet.
Preprint. August, 2025.
Abstract

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

Á. Fernández-Mora, À. Haro, J. M. Mondelo.
On the convergence of flow map parametrization methods in Hamiltonian systems.
Preprint. June, 2025.
PreprintAbstract

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