• On quasiperiodic perturbations of elliptic equilibrium points 

      Jorba, Angel; Simó Torres, Carlos (1995)
      Article
      Accés obert
      This work focusses on quasiperiodic time-dependent perturbations of ordinary differential equations near elliptic equilibrium points. This means studying $$ \dot{x}=(A+\varepsilon Q(t,\varepsilon))x+\varepsilon ...