New

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.
To appear in Commun. Pure Appl. Anal.
Preprint Abstract

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

M. Álvarez-Ramírez, E. Barrabés, J. M. Cors. NEW 2025-09-30
On equilateral central configurations in the 1+4 body problem.
Commun. Nonlinear Sci. Numer. Simul., 152(109365), 14 pages. 2026. [DOI]
Preprint Abstract

B. Muthuswamy, J. Ginoux, R. Meucci, J. Llibre, L. O. Chua. NEW 2025-09-26
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. NEW 2025-09-17
Periodic orbits of hamiltonian systems in $R^{2n}$ via averaging theory.
Preprint. September, 2025.
Abstract