111 citations · 446 across the 18 of their papers we have counts for
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gr-qc2014★ 1 cited
The evolution of a spatially homogeneous and isotropic universe filled with a collisionless gas
Francisco Astorga, Olivier Sarbach, Thomas Zannias
We review the evolution of a spatially homogeneous and isotropic universe described by a Friedmann-Robertson-Walker spacetime filled with a collisionless, neutral, simple, massive…
gr-qc2014★ 17 cited
Observational distinction between black holes and naked singularities: the role of the redshift function
Néstor Ortiz, Olivier Sarbach, Thomas Zannias
We suggest that the redshift of photons traveling from past to future null infinity through a collapsing object could provide an observational signature capable of differentiating…