J. Llibre, C. Valls.
Weierstrass integrability of complex differential equations.
Acta Math. Sinica (N.S.), 37(10), 1497-1506. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, C. Valls.
A sufficient condition for the real Jacobian conjecture in $R^2$.
Nonlinear Anal. Real World Appl., 60, 103298:1-10. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, C. Valls.
Configurations of the topological indices of the planar polynomial differential systems of degree (2,m).
Results Math., 76, 21. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, C. Valls.
Rational limit cycles on Abel equations.
Commun. Pure Appl. Anal., 20(3), . 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, C. Valls.
The Euler-Jacobi formula and the planar quadratic-quartic polynomial differential systems.
Proc. Amer. Math. Soc., 149(1), 135-141. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, C. Valls.
Periodic orbits for a generalized Hénon-Heiles Hamiltonian system with an additional singular gravitational term.
Europhys. Lett. EPL, 134(60005), . 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, C. Valls.
Phase portraits of the complex Abel polynomial differential systems.
Chaos Solitons Fractals, 148, 111050:1-5. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, C. Valls.
Polynomial differential systems with even degree have no global centers.
J. Math. Anal. Appl., 503, 125281:1-5. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, C. Valls.
Dynamics of the Szekeres system.
J. Math. Phys., 62, 082502 (7 pages). 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, X. Zhang.
A survey on algebraic and explicit non-algebraic limit cycles in planar differential systems.
Exposition. Math., 39, 48-61. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

J. Llibre, X. Zhang.
The Markus-Yamabe conjecture for continuous and discontinuous piecewise linear differential systems.
Proc. Amer. Math. Soc., 149(12), 5264-5274. 2021. [DOI]
PreprintFull PDFPreprint at DDDUAB

D. Marín, J. Villadelprat.
Asymptotic expansion of the Dulac map and time for unfoldings of hyperbolic saddles: general setting.
J. Differential Equations, 275, 684-732. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

D. D. Novaes, G. Rondon.
Smoothing of nonsmooth differential systems near regular-tangential singularities and boundary limit cycles.
Nonlinearity, 34(6), 4202-4263. 2021. [DOI]
PreprintAbstract

M. Ollé, Ò. Rodríguez, J. Soler.
Transit regions and ejection/collision orbits in the RTBP.
Commun. Nonlinear Sci. Numer. Simul., 94, 105550. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

I. Sánchez Sánchez, J. Torregrosa.
Criticality via first order development of the period constants.
Nonlinear Anal., 203, 112164:1-21. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

I. Sánchez Sánchez, J. Torregrosa.
New lower bounds of the number of critical periods in reversible centers.
J. Differential Equations, 292, 427-460. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

Q. Zaldo-Aubanell, I. Serra, J. Sardanyés, Ll. Alsedà, R. Maneja.
Reviewing the reliability of Land Use and Land Cover Data in studies relating human health to the environment.
Environmental Research, 194, 110578. 2021. [DOI]
Abstract

E. I. Abouelmagd, J. L. G. Guirao, J. Llibre.
The dynamics of the relativistic Kepler problem.
Results in Physics, 19, 103406. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

A. Algaba, C. García, J. Giné, J. Llibre.
Orbitally universal centers.
Nonlinear Anal., 195, 111746:1-10. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

Ll. Alsedà, B. Vidiella, R. Solé, J. T. Lázaro, J. Sardanyés.
Dynamics in a time-discrete food-chain model with strong pressure on preys.
Commun. Nonlinear Sci. Numer. Simul., 84, 105187:1-26. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB