J. Li, J. Llibre.
On the limit cycles of the differential equations $dr/d\theta = a_n(\theta)r^n+a_{n-1}(\theta)r^{n-1}+\cdots+a_0(\theta)$.
Preprint. March, 2022.
Abstract

J. Li, J. Llibre.
Limit cycles of the piecewise differential systems.
Preprint. March, 2022.
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J. Llibre, J. R. Moraes.
Limit cycles of discontinuous piecewise differential systems in $R^2$ separated by one or two parallel straight lines and formed by arbitrary linear Hamiltonian systems.
Preprint. March, 2022.
Abstract

C. A. Buzzi, A. L. Rodero, M. A. Teixeira.
Stability conditions for piecewise refractive vector fields partially integrable.
Preprint. February, 2022.
Abstract

J. Llibre, C. Valls.
The extended 16th Hilbert problem for piecewise linear systems separated by a non-regular line.
Preprint. January, 2022.
Abstract

J. C. Artés, J. Llibre, N. Vulpe.
Dynamics of the static star differential system from the mathematical and physical point of views.
Preprint. November, 2021.
PreprintAbstract

J. Llibre, R. O. Ramírez, V. Ramírez.
On the integrability of the geodesic flow on homogeneous surfaces.
Preprint. November, 2021.
Abstract

J. Llibre.
On the Abel differential equations and the polynomial differential systems.
Preprint. March, 2021.
Abstract

J. Llibre, C. Valls.
On the distribution of the zeros of some polynomial maps $( P, Q): R^2 \to R^2$.
Preprint. January, 2021.
Abstract

C. A. Buzzi, J. Llibre, P. Santana.
Phase portraits of (2;1) reversible vector fields of low codimension.
Preprint. December, 2020.
Abstract

J. Llibre, O. Ramírez.
Polynomial differential systems with invariant algebraic curves of arbitrarily high degree.
Preprint. July, 2020.
Abstract

R. Benterki, J. Llibre.
Zero-Hopf bifurcation in a malaria model.
Preprint. July, 2020.
Abstract

J. Itikawa, J. Llibre.
New families of planar Hamiltonian systems having global centers.
Preprint. March, 2020.
Abstract

J. Llibre, A. Murza, A. E. Teruel.
First integrals of a class of n-dimensional Lotka-Volterra differential systems.
Preprint. March, 2020.
Abstract

A. Bakhshalizadeh, J. Llibre.
The Hilbert number of some classes of differential equations on the torus.
Preprint. September, 2019.
Abstract

G. Cousillas.
A fixed point theorem for plane homeomorphisms with the topological shadowing property.
Preprint. April, 2019.
PreprintPreprint

J. Llibre, R. O. Ramírez, N. Sadovskaia.
Integrability in the Liouville sense for complex Hamiltonian systems.
Preprint. March, 2019.
Abstract

L. Barreira, J. Llibre, C. Valls.
Global nilpotent centers of cubic polynomial Hamiltonian systems symmetric with respect to the y-axis.
Preprint. February, 2019.
Abstract

S. Li, J. Llibre.
On the number of limit cycles in planar discontinuous piecewise linear differential systems of saddle-node type.
Preprint. September, 2018.
Abstract

T. Chen, J. Llibre.
On the limit cycles of 3-dimensional piecewise linear differential systems.
Preprint. August, 2018.
Abstract