Astrophysical testing of gravity theories, in particular by means of pulsar timing data.
Astrophysical turbulence including:
Accretion Disks models.
Tidal interaction leading to circularization of close binaries.
Turbulence in clusters of galaxies.
Primordial cosmic turbulence.
Turbulence in the ISm of Galaxies
Astroparticles: using astrophysical observations to constrain candidates for dark matter.