Ll. Alsedà, D. Juher, J. Los, F. Mañosas.
Entropy stability and Milnor-Thurston invariants for Bowen-Series-like maps.
Ergodic Theory Dynam. Systems, 46, 337-372. 2026. [DOI]
PreprintAbstractFull PDFPreprint at DDDUAB

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

M. Álvarez-Ramírez, J. D. García Saldaña, J. Llibre.
Integrability and periodic orbits of a 3D jerk system with two quadratic nonlinearities.
Nonlinear Anal. Real World Appl., 88, 104491 (6 pages). 2026. [DOI] (Preprint)
PreprintAbstractPreprint at DDDUAB

M. T. Anacona, G. Anacona Erazo, J. Llibre.
Limit cycles of a class of hybrid piecewise differential systems with a discontinuity line of L shape.
Nonlinear Anal. Real World Appl., 88(104492), 6 pages. 2026. [DOI]
PreprintAbstractPreprint at DDDUAB

C. A. Buzzi, J. Llibre, P. Santana.
Phase portraits of (2;1) reversible vector fields of low codimension.
Differ. Equ. Dyn. Syst., . 2026. [DOI]
PreprintAbstract

C. A. Buzzi, D. J. Tonon, J. Torregrosa.
Limit cycles for a piecewise polynomial potential perturbation of a symmetric 8-loop Hamiltonian.
NoDEA Nonlinear Differential Equations Appl., 33(Article 7), 29 pages. 2026. [DOI]
PreprintAbstractPreprint at DDDUAB

C. Cao, J. Llibre.   NEW 2026-04-07
On the dynamics of the Moon-Rand systems.
Commun. Nonlinear Sci. Numer. Simul., 161, 110232. 2026. [DOI]
PreprintAbstract

N. Chachapoyas, J. Llibre, I. S. Meza Sarmiento, J. Vidarte.
Limit cycles of continuous-discontinuous piecewise linear Hamiltonian systems in \(r^2\) separated by the curve \(y=\sin(x)\).
49, 2093-2097. 2026. [DOI]
PreprintAbstractPreprint at DDDUAB

A. Cima, A. Gasull, F. Mañosas.
On the critical points of planar polynomial Hamiltonian systems.
Nonlinear Anal. Real World Appl., 88(104503), 7 pages. 2026. [DOI]
PreprintAbstractPreprint at DDDUAB

L. P. C. Cruz, J. Llibre.
Global centers in a class of quintic polynomial differential system.
Proc. Roy. Soc. Edinburgh Sect. A, 156(1), 39-54. 2026. [DOI]
PreprintAbstractPreprint at DDDUAB

L. P. C. Cruz, R. D. S. Oliveira, J. Torregrosa.
Limit cycles in piecewise quadratic Kolmogorov systems.
Commun. Nonlinear Sci. Numer. Simul., 152(109285), 16 pages. 2026. [DOI]
PreprintAbstractPreprint at DDDUAB

A. F. Fonseca, J. Llibre, L. F. Mello.
Periodic orbits of the planar continuous piecewise linear systems with three zones separated by two parallel straight lines.
Bol. Soc. Mat. Mexicana, 32(69), . 2026. [DOI]
PreprintAbstract

E. Diz Pita, J. Llibre, M. V. Otero Espinar.
On the dynamics of the autonomous Duffing-Holmes oscillator.
Nonlinear Anal. Model. Control, 31(3), 699-721. 2026. [DOI]
PreprintAbstract

M. Domingues, J. Llibre, L. F. Mello.
A new sufficient condition in order that the real Jacobian conjecture in $R^2$ holds.
J. Differential Equations, 457(114068), 8 pages. 2026. [DOI]
PreprintAbstractPreprint at DDDUAB

Á. Fernández-Mora, À. Haro, J. M. Mondelo.
On the convergence of flow map parameterization methods for whiskered tori in quasi-periodic Hamiltonian systems.
Commun. Nonlinear Sci. Numer. Simul., 152, 109214. 2026. [DOI]
PreprintAbstractPreprint at DDDUAB

R. A. Garcia, A. Gasull.
Plane curves with proportional affine and Euclidean curvatures.
Qual. Theory Dyn. Syst., 25(59), . 2026. [DOI]
Preprint

A. Gasull, D. D. Novaes, J. Torregrosa.
Weak-Coppel problem for a class of Riccati differential equations.
J. Differential Equations, 471(114392), 26 pages.. 2026. [DOI]
PreprintAbstract

A. Gasull, P. Santana.
Limit cycles and invariant algebraic curves.
Commun. Pure Appl. Anal., 28, 214-220. 2026. [DOI]
PreprintAbstract

A. Gasull, J. L. Varona.   NEW 2026-03-30
101 microdemostraciones.
Mat. Mat., 2026(1), 71. 2026.
PreprintAbstractFull PDF

J. Ginoux, R. Meucci, J. Llibre, G. Chen, L. O. Chua.   NEW 2026-03-23
From generalized controlled nonlinear oscillators to Lorenz-like systems.
Internat. J. Bifur. Chaos Appl. Sci. Engrg., 36(10), 2630022. 2026. [DOI]
PreprintAbstract