Dark matter description by non-conventional energy-momentum tensors

MORESCHI OSVALDO; EZEQUIEL BOERO; EMANUEL GALLO; GESER FEDERICO

VALPARAISO

Congreso; II COSMOSUR: COSMOLOGY AND GRAVITATION IN THE SOUTHERN CONE; 2013

We present a description of dark matter based on non-conventional energy momentum tensors. We review the notion of averages in general relativity. We provide with an exact solution and apply it to the description of an astrophysical system.