(1)Metric, radiation and matter perturbations in GR
(2)Evolution of linear perturbations before and after radiation-matter equality
(3)Matter and radiation power spectrum
(4)Mildly nonlinear matter perturbations: Zeldovich approximation
(5)Nonlinear evolution of matter fluctuations: top-hat collapse model and Press-Schechter formulation
(6)Reionization of the universe: HI maps and first galaxy formation
(7)Galaxies and galaxy clusters: separation of baryons and dark matter
(8)Quasars and active galactic nucleus
(9)Probing dark matter with the gravitational lensing