M. Álvarez-Ramírez, J. Llibre.   NEW 2024-03-17
Global phase portrait of a rolling motion of ships equation.
Preprint. March, 2024.
Abstract

D. d. C. Braga, F. S. Dias, J. Llibre, L. F. Mello.   NEW 2024-03-10
The matching of two Markus-Yamabe piecewise smooth systems in the plane.
Preprint. March, 2024.
Abstract

D. Marín, J. Villadelprat.   NEW 2024-03-07
The cyclicity of hyperbolic hemicycles.
Preprint. March, 2024.
PreprintAbstract

J. C. Artés, C. Trullàs.   NEW 2024-03-07
Quadratic differential systems with a weak focus of first order and a finite saddle-node.
Preprint. March, 2024.
PreprintAbstract

J. C. Artés, M. C. Mota, A. C. Rezende.   NEW 2024-03-07
Quadratic differential systems with a finite saddle-node and an infinite saddle-node (1,1) SN - (B).
Preprint. March, 2024.
PreprintAbstract

J. C. Artés, M. C. Mota, A. C. Rezende.   NEW 2024-03-07
Quadratic differential systems with a finite saddle-node and an infinite saddle-node (1,1) SN - (A).
Preprint. March, 2024.
PreprintAbstract

V. Castellanos, J. Llibre.   NEW 2024-03-07
The transition between two ecological limit cycles in one predator-two competitive prey mode.
Preprint. March, 2024.
Abstract

C. A. Buzzi, A. L. Rodero, J. Torregrosa.
3−dimensional piecewise linear and quadratic vector fields with invariant spheres.
Preprint. March, 2024.
PreprintAbstract

J. Llibre, R. Tian.
On the invariant straight lines of the polynomial differential systems in $\mathbb{{R}}^3$.
Preprint. February, 2024.
Abstract

I. A. García, J. Giné, J. Llibre.
Characterization of global centers by the monodromy at infinity.
Preprint. January, 2024.
Abstract

G. Dong, J. Llibre.
The uniform isochronous centers with homogeneous nonlinearities of degree 5.
Preprint. January, 2024.
Abstract

G. Dong, J. Llibre.
Periodic orbits for an autonomous version of the Duffing-Holmes oscillator.
Preprint. January, 2024.
Abstract

J. Llibre, R. Tian.
The easiest polynomial differential systems in $\mathbb{{R}}^4$ having an invariant sphere.
Preprint. January, 2024.
Abstract

D. He, J. Llibre.
Limit cycles in a class of planar discontinuous piecewise quadratic differential systems with a non-regular discontinuous boundary (II).
Preprint. December, 2023.
Abstract

D. He, J. Llibre.
Limit cycles in a class of planar discontinuous piecewise quadratic differential systems with a non-regular discontinuous boundary (I).
Preprint. December, 2023.
Abstract

J. Llibre, R. Tian.
Periodic orbits and non-existence of $C^1$ first integrals for analytic differential systems exhibiting a zero-Hopf bifurcation in ${\mathbb {R}}^4$.
Preprint. December, 2023.
Abstract

M. Corbera, C. Valls.
Global nilpotent reversible centers with cubic nonlinearities symmetric with respect to the $y$-axis.
Preprint. December, 2023.
Abstract

M. Corbera, C. Valls.
Phase portraits of a generalized Liénard system with homogeneous nonlinearities.
Preprint. December, 2023.
Abstract

W. Aziz, C. J. Christopher, C. Pantazi, S. Walcher.
Liouvillian integrability of three dimensional vector fields.
Preprint. December, 2023.
PreprintAbstract

J. Llibre, F. Braun.
Parallel vector fields and global injectivity in two dimensions.
Preprint. November, 2023.
Abstract