The universe is smooth on large scales but very inhomogeneous on small scales. Why is the
spacetime on large scales modeled to a good approximation by the Friedmann equations …

We study the generation of vorticity and velocity dispersion by orbit crossing using
cosmological numerical simulations, and calculate the backreaction of these effects on the …

We investigate large-scale structure formation of collisionless dark matter in the phase
space description based on the Vlasov (or collisionless Boltzmann) equation whose …

We derive the Edgeworth streaming model (ESM) for the redshift space correlation function
starting from an arbitrary distribution function for biased tracers of dark matter by considering …

We present a new approach to computing the matter density power spectrum, from large
linear scales to small, highly nonlinear scales. Instead of explicitly computing a partial series …

The notion of adhesion has been advanced for the phenomenon of stabilization of large-
scale structure emerging from gravitational instability of a cold medium. Recently, the …

A 'stochastic adhesion'model is introduced, with the purpose of describing the formation and
evolution of mildly non-linear structures, such as sheets and filaments, in the intergalactic …

I show how to reintroduce velocity dispersion into perturbation theory (PT) calculations of
structure in the Universe, ie, how to go beyond the pressureless fluid approximation, starting …

As an alternative way to describe the cosmological velocity field, we discuss the evolution of
rotational invariants constructed from the velocity gradient tensor. Compared with the …

We explore a novel approach to the study of large-scale structure formation in which self-
gravitating cold dark matter (CDM) is represented by a complex scalar field whose dynamics …