A. Gasull, D. D. Novaes, J. Torregrosa.   NEW 2025-09-04
Weak-Coppel problem for a class of Riccati differential equations.
Preprint. September, 2025.
PreprintAbstract

A. Murza, J. Llibre.   NEW 2025-08-20
Darboux theory of integrability for real polynomial vector fields on the n-dimensional hyperboloid.
Preprint. August, 2025.
Abstract

Y. Li, J. Llibre.   NEW 2025-08-20
Dynamics of a differential system in $R^3$ with a simple chaotic flow.
Preprint. August, 2025.
Abstract

J. Llibre, A. Murza.   NEW 2025-08-11
Invariant meridians and parallels on the hyperboloid of one sheet.
Preprint. August, 2025.
Abstract

A. Gasull.   NEW 2025-07-31
A primer on resultants and their applications.
Preprint. July, 2025.
PreprintAbstract

H. Ou, J. Llibre.   NEW 2025-07-11
Quadratic systems with two invariant real straight lines and an invariant ellipse.
Preprint. July, 2025.
Abstract

J. Llibre, H. Zeng.   NEW 2025-07-07
Global phase portraits of a SIS model with importation and removal.
Preprint. July, 2025.
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Á. Fernández-Mora, À. Haro, J. M. Mondelo.   NEW 2025-06-23
On the convergence of flow map parametrization methods in Hamiltonian systems.
Preprint. June, 2025.
PreprintAbstract

L. Queiroz, J. Llibre.   NEW 2025-06-23
On a class of Hamiltonian Kolmogorov systems.
Preprint. June, 2025.
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R. F. Appis, J. Llibre.   NEW 2025-06-16
No global centers in a class of cubic systems.
Preprint. June, 2025.
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J. Llibre, A. C. Rezende, L. P. Serantola.   NEW 2025-06-09
The periodic orbits of some classes of $3$-dimensional relay hybrid systems.
Preprint. June, 2025.
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J. Llibre, A. C. T. Sánchez, D. J. Tonon.   NEW 2025-06-04
Limit cycles of discontinuous piecewise hybrid rigid systems separated by a straight line.
Preprint. June, 2025.
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A. Murza, J. Llibre.   NEW 2025-06-01
Polynomial vector fields on the whitney umbrella.
Preprint. June, 2025.
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L. P. C. Cruz, R. D. S. Oliveira, J. Torregrosa.   NEW 2025-05-28
Limit cycles in piecewise quadratic Kolmogorov systems.
Preprint. May, 2025.
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J. Llibre, G. Rondon.   NEW 2025-05-20
The dynamics of the Ehrhard-Müller system with invariant algebraic surfaces.
Preprint. May, 2025.
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R. D. S. Oliveira, A. L. Rodero, J. Torregrosa.
Mixed simultaneous cyclicity for piecewise smooth vector fields defined on an invariant sphere.
Preprint. May, 2025.
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D. Marín, J. Villadelprat.
Derivatives of the separation function of generalized saddle connections.
Preprint. May, 2025.
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A. C. Rezende, M. A. S. Santos, J. Torregrosa.
The period function of centers at infinity in planar piecewise linear systems.
Preprint. May, 2025.
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M. Domingues, J. Llibre, L. F. Mello.
A new sufficient condition in order that the real Jacobian conjecture in $R^2$ holds.
Preprint. April, 2025.
Abstract

B. R. de Freitas, D. Avila, F. Becatti, J. Llibre.
Limit cycles of continuous-discontinuous piecewise differential systems formed by two Hamiltonian systems and separated by a non-regular line.
Preprint. April, 2025.
Abstract