51 citations · 94 across the 5 of their papers we have counts for
5 papers
Reconstructing the redshift evolution of Type Ia supernovae absolute magnitude
Rodrigo von Marttens, Javier Gonzalez, Jailson Alcaniz
This work investigates a potential time dependence of the absolute magnitude of Type Ia Supernovae (SN Ia). Employing the Gaussian Process approach, we obtain the SN Ia absolute ma…
Assessing the dark degeneracy through the gas mass fraction data
Dinorah Barbosa, Rodrigo von Marttens, Javier Gonzalez +1
It is well-known that Einstein's equations constrain only the total energy-momentum tensor of the cosmic substratum, without specifying the characteristics of its individual consti…
Testing the consistency between cosmological data: the impact of spatial curvature and the dark energy EoS
Javier E. Gonzalez, Micol Benetti, Rodrigo von Marttens +1
The results of joint analyses of available cosmological data have motivated an important debate about a possible detection of a non-zero spatial curvature. If confirmed, such a res…
A model-independent reconstruction of dark sector interactions
Rodrigo von Marttens, Javier E. Gonzalez, Jailson Alcaniz +2
Relaxing the conventional assumption of a minimal coupling between the dark matter (DM) and dark energy (DE) fields introduces significant changes in the predicted evolution of the…
Is there evidence for a hotter Universe?
Carlos A. P. Bengaly, Javier E. Gonzalez, Jailson S. Alcaniz
The measurement of present-day temperature of the Cosmic Microwave Background (CMB), K (1), made by the Far-InfraRed Absolute Spectrophotometer (FIRA…