Motion of charged particles in a line.- An electrostatically actuated micro-electro-mechanical system.- Forced Keplerian-like systems.- Particles under a central force field.- Bose-Einstein condensates and signal transmission in optical fibers.- Electron beam focusing by means of a periodic magnetic field.- Point vortex dynamics.- Pumping effect in a pipe/tank flow configuration.- Radial oscillations of a bubble in a time-periodic pressure field.- Radial oscillations of cylindrical and spherical shells.- A model for cell volume regulation.