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

J. C. Artés, J. Llibre, D. Schlomiuk, N. Vulpe.
Global topological configurations of singularities for the whole family of quadratic differential systems.
Qual. Theory Dyn. Syst., 19, 51:1-32. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

J. C. Artés, R. D. S. Oliveira, A. C. Rezende.
Structurally unstable quadratic vector fields of codimension two: families possessing either a cusp point or two finite saddle-nodes.
J. Dyn. Diff. Equat., . 2020. [DOI]
PreprintAbstractPreprint at DDDUAB

K. Baranski, N. Fagella, X. Jarque, B. Karpinska.
Fatou components and singularities of meromorphic functions.
Proc. Roy. Soc. Edinburgh Sect. A, 150, 633-654. 2020. [DOI]
PreprintAbstractPreprint at DDDUAB