E. Diz Pita, J. Llibre, M. V. Otero Espinar.
Planar Kolmogorov systems coming from spatial Lotka-Volterra systems.
Internat. J. Bifur. Chaos Appl. Sci. Engrg., 31(13), Paper No. 2150201, 37. 2021. [DOI]
PreprintAbstractPreprint 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]
PreprintAbstractPreprint 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]
PreprintAbstractPreprint 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]
PreprintAbstractPreprint 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]
PreprintAbstractPreprint 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]
PreprintAbstractPreprint at DDDUAB

A. Feddaoui, J. Llibre, C. E. Berhail, A. Makhlouf.
Periodic solutions for differential systems in $R^3$ and $R^4$.
Appl. Math. Non. Sciences, 6(1), 373-380. 2021. [DOI]
PreprintAbstractPreprint 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]
PreprintAbstractPreprint 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]
PreprintAbstractPreprint 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]
PreprintAbstractPreprint 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]
PreprintAbstractPreprint 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]
PreprintAbstractPreprint at DDDUAB

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

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

A. Gasull.
Polinomios estables.
Gac. R. Soc. Mat. Esp., 24(2), 272. 2021.
PreprintPreprint at DDDUAB

A. Gasull.
Some open problems in low dimensional dynamical systems.
SeMA J., 78, 233-269. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

A. Gasull.
Iteració, capicues i matemàtiques.
Mat. Mat., 2021(2), 1-23. 2021.
PreprintAbstractPreprint at DDDUAB

A. Gasull.
Números de Lychrel y otras preguntas sobre capicúas.
Gac. R. Soc. Mat. Esp., 24(3), 532. 2021.
PreprintFull PDFPreprint at DDDUAB

A. Gasull, A. Geyer, V. Mañosa.
Persistence of periodic traveling waves and Abelian integrals.
J. Differential Equations, 293, 48-69. 2021. [DOI]
PreprintAbstractFull PDFPreprint at DDDUAB

A. Gasull, H. Giacomini.
Solving polynomials with ordinary differential equations.
Exposition. Math., 39, 624-643. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB