Recent measurements are suggesting that we live in a flat Universe and that its present accelerating stage is driven by a dark energy component whose equation of state may evolve in time. Assuming two different parameterizations for the function $\omega(z)$, we constrain their free parameters from a joint analysis involving measurements from X-Ray luminosity of galaxy clusters and SNe type Ia data
We place, by the maximum likelihood method, constraints on a variable dark energy model with the equ...
We reconstruct the dark energy density X(z) as a free function from current Type Ia supernova (SN Ia...
We present constraints on the dark energy equation-of-state parameter, w = P/({rho}c{sup 2}), using ...
New observational constraints on the cosmic matter density $\Omega_m$ and an effectively redshift-in...
We present constraints on the mean matter density, {Omega}{sub m}, dark energy density, {Omega}{sub ...
New observational constraints on the cosmic matter density Ωm and an effectively redshift-independen...
We present new constraints on the evolution of dark energy from an analysis of Cosmic Microwave Back...
We use angular size versus redshift data for galaxy clusters provided by Bonamente and collaborators...
We discuss a new method which is potentially capable of constraining cosmological parameters using o...
We present constraints on the mean matter density, {Omega}{sub m}, normalization of the density fluc...
We use measurements of the growth of cosmic structure, as inferred from the observed evolution of th...
We discuss a new method which is potentially capable of constraining cosmological parameters using o...
We investigate observational constraints on the curvature of the universe not restricting ourselves ...
We analyse some open debates in cosmology in light of the most updated quasar (QSO) sample, covering...
We present constraints on the dark energy equation-of-state parameter, w=P/(rho c^2), using 60 Type ...
We place, by the maximum likelihood method, constraints on a variable dark energy model with the equ...
We reconstruct the dark energy density X(z) as a free function from current Type Ia supernova (SN Ia...
We present constraints on the dark energy equation-of-state parameter, w = P/({rho}c{sup 2}), using ...
New observational constraints on the cosmic matter density $\Omega_m$ and an effectively redshift-in...
We present constraints on the mean matter density, {Omega}{sub m}, dark energy density, {Omega}{sub ...
New observational constraints on the cosmic matter density Ωm and an effectively redshift-independen...
We present new constraints on the evolution of dark energy from an analysis of Cosmic Microwave Back...
We use angular size versus redshift data for galaxy clusters provided by Bonamente and collaborators...
We discuss a new method which is potentially capable of constraining cosmological parameters using o...
We present constraints on the mean matter density, {Omega}{sub m}, normalization of the density fluc...
We use measurements of the growth of cosmic structure, as inferred from the observed evolution of th...
We discuss a new method which is potentially capable of constraining cosmological parameters using o...
We investigate observational constraints on the curvature of the universe not restricting ourselves ...
We analyse some open debates in cosmology in light of the most updated quasar (QSO) sample, covering...
We present constraints on the dark energy equation-of-state parameter, w=P/(rho c^2), using 60 Type ...
We place, by the maximum likelihood method, constraints on a variable dark energy model with the equ...
We reconstruct the dark energy density X(z) as a free function from current Type Ia supernova (SN Ia...
We present constraints on the dark energy equation-of-state parameter, w = P/({rho}c{sup 2}), using ...