This is the preliminary program of the meeting. Morning plenary sessions will take place at the Mathematics Faculty (Aula Rey Pastor). Afternoon parallel session will take place at the Faculty of Physics (Rooms 1, 2, 3, 4A, 6A and 7).  Poster session will take place on Monday 29th August during the welcome  cocktail. SEGRE assembly will take place at the Faculty of Physics (Sala de Grados) on Thursday 1st September at 18:00.

Poster session: Monday, 29th August,  20:00
KAšPAR, Petr		Averaging in GR using Cartan scalars
LANGER, Jiri		Some toy sheet universes
MARUNOVIC, Anja		Radial stability analysis of the continuous pressure gravastar
MENA, Filipe		On the Asymptotic Stability of De-Sitter Spacetime: a non-linear perturbative approach
NAZARI, Borzoo		Refracting virtual photons
VRBA, David		The effect of the pressure on the deceleration parameter within inhomogeneous cosmological models