Publicaciones en colaboración con investigadores/as de Babeș-Bolyai University (13)

2019

  1. On the critical points of the flight return time function of perturbed closed orbits

    Journal of Differential Equations, Vol. 266, Núm. 12, pp. 8344-8369

2015

  1. Essential perturbations of polynomial vector fields with a period annulus

    Communications on Pure and Applied Analysis, Vol. 14, Núm. 3, pp. 1073-1095

  2. Inverse Jacobi multipliers and first integrals for nonautonomous differential systems

    Zeitschrift fur Angewandte Mathematik und Physik, Vol. 66, Núm. 3, pp. 573-585

2014

  1. Multiple Hopf bifurcation in R3 and inverse Jacobi multipliers

    Journal of Differential Equations, Vol. 256, Núm. 1, pp. 310-325

  2. Periodic solutions for nonlinear differential systems: The second order bifurcation function

    Topological Methods in Nonlinear Analysis, Vol. 43, Núm. 2, pp. 403-419

  3. Some remarks on inverse Jacobi multipliers around Hopf singularities

    Journal of Mathematical Analysis and Applications, Vol. 418, Núm. 2, pp. 1074-1083

2013

  1. Centers in a Quadratic System Obtained from a Scalar Third Order Differential Equation

    Springer Proceedings in Mathematics and Statistics

  2. Inverse Jacobi multipliers: Recent applications in dynamical systems

    Springer Proceedings in Mathematics and Statistics

2012

  1. A second order analysis of the periodic solutions for nonlinear periodic differential systems with a small parameter

    Physica D: Nonlinear Phenomena, Vol. 241, Núm. 5, pp. 528-533

  2. Existence of inverse Jacobi multipliers around Hopf points in ℝ3: Emphasis on the center problem

    Journal of Differential Equations, Vol. 252, Núm. 12, pp. 6324-6336

2011

  1. Centers on a center manifold in R3 and inverse Jacobi last multipliers

    XXII CEDYA Congreso de Ecuaciones Diferenciales y Aplicaciones: XII CMA Congreso de Matemática Aplicada : Palma de Mallorca, 5-9 septiembre de 2011: programa y resúmenes

2010

  1. Bifurcation of limit cycles from a polynomial degenerate center

    Advanced Nonlinear Studies, Vol. 10, Núm. 3, pp. 597-609

  2. Periodic solutions of the perturbed symmetric euler top

    Topological Methods in Nonlinear Analysis, Vol. 36, Núm. 1, pp. 91-100