In this thesis I present long-term X-ray variability studies of sources belonging to two of the big groups of objects present in the X-ray universe: the Active Galactic Nuclei (AGN) and the X-ray Binaries (XRBs).
After ...
Hamiltonian partial differential equations are partial differential equations, that can be written in the form of a Hamiltonian system as for instance the equations of motion in classical mechanics but on an infinite ...