J. Llibre, A. Makhlouf.   NEW 2025-11-21
Periodic orbits of a galactic Hamiltonian system.
Preprint. November, 2025.
Abstract

S. Jana, J. Llibre.   NEW 2025-11-14
$n$-dimensional Lotka-Volterra systems with a Darboux invariant.
Preprint. November, 2025.
Abstract

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.   NEW 2025-11-03
Algebraic limit cycles.
Internat. J. Bifur. Chaos Appl. Sci. Engrg., 35(14), 2540008. 2025. [DOI]
Preprint

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

A. Gasull, P. Santana.   NEW 2025-10-13
Limit cycles and invariant algebraic curves.
Commun. Pure Appl. Anal. 2025 (Published online)
PreprintAbstract

J. Llibre, L. F. Mello.   NEW 2025-10-13
The global injectivity of $C^2$ maps in $R^2$.
Preprint. October, 2025.
Abstract

J. Llibre, L. F. Mello.   NEW 2025-10-10
A necessary and sufficient condition and some sufficient conditions in order that the real Jacobian conjecture in $R^2$ holds.
Preprint. October, 2025.
Abstract