M. Corbera, C. Valls.
Reversible polynomial Hamiltonian systems of degree 3 with nilpotent saddles.
Discrete Contin. Dyn. Syst. Ser. B, 26(6), 3209-3233. 2021. [DOI]
PreprintAbstractOA at DDDUAB

M. Corbera, C. Valls.
On the existence of symmetric bicircular central configurations of the 3n-Body problem.
J. Nonlinear Sci., 31(6), 88:1-52. 2021. [DOI]
PreprintAbstractOA at DDDUAB

J. L. Cornelio Soberano, M. Álvarez-Ramírez, J. M. Cors.
Central configurations in the five-body problem: Rhombus plus one.
Qual. Theory Dyn. Syst., 20, 51:1-13. 2021. [DOI]
PreprintAbstractOA at DDDUAB

G. Cousillas, J. Groisman, J. Xavier.
Linearization of topologically Anosov homeomorphisms of non compact surfaces of genus zero and finite type.
Topol. Methods Nonlinear Anal., 58(1), 323-333. 2021. [DOI]
PreprintAbstract

C. Cufí-Cabré, E. Fontich.
Differentiable invariant manifolds of nilpotent parabolic points.
Discrete Contin. Dyn. Syst., 41(10), 4667-4704. 2021. [DOI]
PreprintAbstractOA at DDDUAB

T. Carvalho, L. F. Gonçalves, J. Llibre.
Limit cycles on piecewise smooth vector fields with coupled rigid centers.
Internat. J. Bifur. Chaos Appl. Sci. Engrg., 31(15), 2150224. 2021. [DOI]
PreprintAbstractOA at DDDUAB

K. Dias, A. Garijo.
On the separatrix graph of a rational vector field on the Riemann sphere.
J. Differential Equations, 282, 541-565. 2021. [DOI]
PreprintAbstractOA at DDDUAB

E. Diz Pita, J. Llibre, M. V. Otero Espinar.
Phase portraits of a family of Kolmogorov systems depending on six parameters.
Electron. J. Differential Equations, 2021(35), 1-38. 2021.
PreprintAbstractOA at DDDUAB

E. Diz Pita, J. Llibre, M. V. Otero Espinar, C. Valls.
The zero-Hopf bifurcations in the Kolmogorov systems of degree 3 in $R^3$.
Commun. Nonlinear Sci. Numer. Simul., 95, 105621. 2021. [DOI]
PreprintAbstractOA at DDDUAB

D. Djedid, J. Llibre, A. Makhlouf.
Periodic orbits bifurcating from a Hopf equilibrium of 2-dimensional polynomial Kolmogorov systems of arbitrary degree.
Chaos Solitons Fractals, 142, 110489. 2021. [DOI]
PreprintAbstractOA at DDDUAB

M. Esteban, J. Llibre, C. Valls.
The 16th Hilbert problem for discontinuous piecewise isochronous centers of degree one or two separated by a straight line.
Chaos, 31, 043112:1-18. 2021. [DOI]
PreprintAbstractOA at DDDUAB

M. Esteban, J. Llibre, C. Valls.
The extended 16-th Hilbert problem for discontinuous piecewise linear centers separated by a non-regular line.
Internat. J. Bifur. Chaos Appl. Sci. Engrg., 31(15), 2150225. 2021. [DOI]
PreprintAbstractOA at DDDUAB

N. Fagella, L. Keen.
Stable components in the parameter plane of transcendental function of finite type.
J. Geom. Anal., 31(5), 4816-4855. 2021. [DOI]
PreprintAbstractOA at DDDUAB

E. Freire, E. Ponce, J. Torregrosa, F. Torres.
Limit cycles from a monodromic infinity in planar piecewise linear systems.
J. Math. Anal. Appl., 496, 124818. 2021. [DOI]
PreprintAbstractOA at DDDUAB

F. Gao, J. Llibre.
Global dynamics of the Horava-Lifshitz cosmological model in a non-flat universe with non-zero cosmological constant.
Universe (Basel), 7(445), 1-50. 2021. [DOI]
PreprintAbstractOA at DDDUAB

B. García, J. Llibre, A. Lombardero, J. S. Pérez del Río.
Analytic integrability of quasi-homogeneous systems via the Yoshida method.
J. Symbolic Comput., 104, 960-980. 2021. [DOI]
PreprintAbstractOA at DDDUAB

I. A. García, J. Giné, J. Llibre, S. Maza.
Vanishing set of inverse Jacobi multipliers and attractor/repulsor sets.
Chaos, 31, 013113:1-9. 2021. [DOI]
PreprintAbstractOA at DDDUAB

L. Gardini, A. Garijo, X. Jarque.
Topological properties of the immediate basins of attraction for the secant method.
Mediterranean J. Math., 18, 221:1-27. 2021. [DOI]
PreprintAbstractOA at DDDUAB

A. Gasull.
Quasi tots els camins porten a un capicua.
Semagames, 130, 17-18. 2021.
PreprintFull PDFOA at DDDUAB

A. Gasull.
Conjectures.
Butl. Soc. Catalana Mat., 36(1), 69-113. 2021. [DOI]
PreprintAbstractOA at DDDUAB