R. Benterki, J. Llibre.
The limit cycles of discontinuous piecewise linear differential systems formed by centers and separated by irreducible cubic curves I.
Dyn. Contin. Discrete Impuls. Syst. Ser A: Math Anal., 28, 153-192. 2021.
PreprintAbstractPreprint at DDDUAB

C. A. Buzzi, Y. R. Carvalho, A. Gasull.
The local period function for Hamiltonian systems with applications.
J. Differential Equations, 280, 590-617. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

C. A. Buzzi, Y. R. Carvalho, A. Gasull.
Limit cycles for some families of smooth and non-smooth planar systems.
Nonlinear Anal., 207, 112298:1-13. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

C. A. Buzzi, J. Llibre, P. Santana.
Phase portraits of (2;0) reversible vector fields with symmetrical singularities.
J. Math. Anal. Appl., 503, 125324:1-21. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

C. A. Buzzi, A. L. Rodero, J. Torregrosa.
Centers and limit cycles of vector fields defined on invariant spheres.
J. Nonlinear Sci., 31(92), 1-28. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

B. Campos, J. Canela, A. Garijo, P. Vindel.
Dynamics of a family of rational operators of arbitrary degree.
Math. Model. Anal., 26(2), 188-208. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

H. Chen, J. Llibre, Y. Tang.
The limit cycles of the Higgins-Selkov systems.
J. Nonlinear Sci., 31, 85 (25 pages). 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

T. Chen, S. Li, J. Llibre.
Phase portraits and bifurcation diagram of the Gray-Scott model.
J. Math. Anal. Appl., 496, 124840. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

A. Cima.
Globally attractive equilibrium points.
Butl. Soc. Catalana Mat., 36(2), 121-152. 2021. [DOI] (In Catalan)
AbstractFull PDFPreprint at DDDUAB

A. Cima, A. Gasull, V. Mañosa.
Stability index of linear random dynamical systems.
Electron. J. Qual. Theory Differ. Equ., 2021(15), 1-27. 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

A. Cima, A. Gasull, V. Mañosa.
Phase portraits of random planar homogeneous vector fields.
Qual. Theory Dyn. Syst., 20(3), . 2021. [DOI]
PreprintAbstractPreprint at DDDUAB

R. Colucci, E. Diz Pita, M. V. Otero Espinar.
Dynamics of a two prey and one predator system with indirect effect.
Mathematics, 9, 436:1-22. 2021. [DOI]
Open AccessAbstractFull PDFPreprint at DDDUAB

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]
PreprintAbstractPreprint 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]
PreprintAbstractPreprint 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]
PreprintAbstractPreprint 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]
PreprintAbstractPreprint 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]
PreprintAbstractPreprint 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]
PreprintAbstractPreprint 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. [DOI]
PreprintAbstractPreprint at DDDUAB