76 citations · 174 across the 5 of their papers we have counts for
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gr-qc2012
Parameterizing the Deceleration Parameter
Diego Pavón, Ivan Duran, Sergio del Campo +1
We propose and constrain with the latest observational data three parameterizations of the deceleration parameter, valid from the matter era to the far future. They are well behave…
gr-qc2012
Why we need dark energy
Diego Pavón, Ninfa Radicella
It is argued that dark energy -or something dynamically equivalent at the background level- is necessary if the expanding universe is to behave as an ordinary macroscopic system; t…
gr-qc2012
Inhomogeneous Exact Solutions with Varying Cosmological Term
Luis P. Chimento, Diego Pavón
We study the evolution of LTB Universe models possessing a varying cosmological term and a material fluid.