Publications in collaboration with researchers from Universidade de Lisboa (7)

2018

  1. Travelling Waves in a SI Endemic Model

    Journal of Dynamics and Differential Equations, Vol. 30, Núm. 4, pp. 1837-1854

2017

  1. First integrals for the Kepler problem with linear drag

    Celestial Mechanics and Dynamical Astronomy, Vol. 127, Núm. 1, pp. 35-48

2016

  1. Chaotic Dynamics of the Kepler Problem with Oscillating Singularity

    Advanced Nonlinear Studies, Vol. 16, Núm. 3, pp. 551-567

2014

  1. A study of associations of occupational accidents to number of employees, and to hours worked

    OCCUPATIONAL SAFETY AND HYGIENE II

2008

  1. On the existence of dark solitons in a cubic-quintic nonlinear schrödinger equation with a periodic potential

    Communications in Mathematical Physics, Vol. 282, Núm. 1, pp. 1-9

2006

  1. Similarity transformations for nonlinear Schrödinger equations with time-dependent coefficients

    Physica D: Nonlinear Phenomena, Vol. 221, Núm. 1, pp. 31-36

2004

  1. A note on a modified version of the Poincaré-Birkhoff theorem

    Journal of Differential Equations, Vol. 203, Núm. 1, pp. 55-63