540 citations · 2.6k across the 79 of their papers we have counts for
26 papers · 1 filter
The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics
Eleonora Di Valentino, Jackson Levi Said, Adam Riess +533
The standard model of cosmology has provided a good phenomenological description of a wide range of observations both at astrophysical and cosmological scales for several decades.…
gravity after DESI Baryon Acoustic Oscillation and DES Supernovae 2024 data
Celia Escamilla-Rivera, Rodrigo Sandoval-Orozco
In this work, we investigate new constraints on gravity using the recent Baryon Acoustic Oscillation (BAO) data released by the Dark Energy Spectroscopic Instrument (DESI) a…
Testing cosmologies with HII Hubble diagram and CMB distance priors
Rodrigo Sandoval-Orozco, Celia Escamilla-Rivera, Rebecca Briffa +1
In this work, we present independent determinations of cosmological parameters and new constraints on cosmologies, employing two new catalogs related to HII galaxy Hubble an…
Growth of structures using redshift space distortion in Cosmology
Rebecca Briffa, Celia Escamilla-Rivera, Jackson Levi Said +1
Cosmology faces a pressing challenge with the Hubble constant () tension, where the locally measured rate of the Universe's expansion does not align with predictions from the…
Constraining dark energy cosmologies with spatial curvature using Supernovae JWST forecasting
Pablo M. Maldonado Alonso, Celia Escamilla-Rivera, Rodrigo Sandoval-Orozco
Recent cosmological tensions, in particular, to infer the local value of the Hubble constant , have developed new independent techniques to constrain cosmological parameters i…
Exploring bulk viscous unified scenarios with Gravitational Waves Standard Sirens
Weiqiang Yang, Supriya Pan, Eleonora Di Valentino +2
We consider the unified bulk viscous scenarios and constrain them using the Cosmic Microwave Background observations from Planck 2018 and the Pantheon sample from Type Ia Supernova…
Tension on the Light of Supermassive Black Hole Shadows Data
Celia Escamilla-Rivera, Rubén Torres Castillejos
Cosmological tensions in current times have opened a wide door to study new probes to constrain cosmological parameters, specifically, to determine the value of the Hubble constant…
Cosmology Intertwined: A Review of the Particle Physics, Astrophysics, and Cosmology Associated with the Cosmological Tensions and Anomalies
Elcio Abdalla, Guillermo Franco Abellán, Amin Aboubrahim +200
In this paper we will list a few important goals that need to be addressed in the next decade, also taking into account the current discordances between the different cosmological…
On the degeneracy between tension and its Gaussian process forecasting
Mauricio Reyes, Celia Escamilla-Rivera
In this paper we reconstruct the growth and evolution of the cosmic structure of the Universe using Markov Chain Monte Carlo algorithms for Gaussian processes [1]. We estimate the…
Scalar field dark matter with two components: combined approach from particle physics and cosmology
Eréndira Gutiérrez-Luna, Belen Carvente, Víctor Jaramillo +5
In this work we explore the possibility of incorporating particle physics motivated scalar fields to the dark matter cosmological model. In this landscape, we consider the classica…
Neural networks and standard cosmography with newly calibrated high redshift GRB observations
Celia Escamilla-Rivera, Maryi Carvajal, Cristian Zamora +1
Gamma-ray bursts (GRBs) detected at high redshift can be used to trace the cosmic expansion history. However, the calibration of their luminosity distances is not an easy task in c…
Impact of priors on late time cosmology
Rebecca Briffa, Celia Escamilla-Rivera, Jackson Levi Said +1
We present a detailed analysis of the impact of priors from recent surveys in the literature on the late time cosmology of five cosmological models using cosmic chrono…
Performance of Non-Parametric Reconstruction Techniques in the Late-Time Universe
Celia Escamilla-Rivera, Jackson Levi Said, Jurgen Mifsud
In the context of a Hubble tension problem that is growing in its statistical significance, we reconsider the effectiveness of non-parametric reconstruction techniques which are in…
Improving data-driven model-independent reconstructions and updated constraints on dark energy models from Horndeski cosmology
Mauricio Reyes, Celia Escamilla-Rivera
In light of the statistical performance of cosmological observations, in this work we present an improvement on the Gaussian reconstruction of the Hubble parameter data from…
A dynamical dark energy solution to Hubble-Lemaître tension in the light of the multimessenger era
Celia Escamilla-Rivera
We show that the gravitational waves measurements have raised the opportunity to measure with dark sirens to within 2, the accuracy required to resolve the \hubble tension…
Cosmology Intertwined II: The Hubble Constant Tension
Eleonora Di Valentino, Luis A. Anchordoqui, Ozgur Akarsu +90
The current cosmological probes have provided a fantastic confirmation of the standard Cold Dark Matter cosmological model, that has been constrained with unprecedented accurac…
Bayesian deep learning for dark energy
Celia Escamilla-Rivera
In this work we discuss basic ideas on how to structure and study the Bayesian methods for standard models of dark energy and how to implement them in the architecture of deep lear…
Constraining extra dimensions on cosmological scales with LISA future gravitational wave siren data
Maxence Corman, Celia Escamilla-Rivera, M. A. Hendry
We investigate the idea that current cosmic acceleration could be the consequence of gravitational leakage into extra dimensions on cosmological scales rather than the result of a…
A deep learning approach to cosmological dark energy models
Celia Escamilla-Rivera, Maryi Alejandra Carvajal Quintero, S. Capozziello
We propose a novel deep learning tool in order to study the evolution of dark energy models. The aim is to combine two architectures: the Recurrent Neural Networks (RNN) and the Ba…
Modified gravity for surveys
Luisa G. Jaime, Mariana Jaber, Celia Escamilla-Rivera
We present a new parameterization for the equation of state (EoS) , which can reproduce a -like evolution with a precision between over the numer…
Status on bidimensional dark energy parameterizations using SNe Ia JLA and BAO datasets
Celia Escamilla-Rivera
Using current observations forecast type Ia supernovae (SNe Ia) Joint Lightcurve Analysis (JLA) and baryon acoustic oscillations (BAO), in this paper we investigate six bidimension…
Linear and non-linear perturbations in dark energy models
Celia Escamilla-Rivera, Luciano Casarini, Julio C. Fabris +1
In this work we discuss observational aspects of three time-dependent parameterisations of the dark energy equation of state . In order to determine the dynamics associated w…
Nonparametric reconstruction of the Om diagnostic to test LCDM
Celia Escamilla-Rivera, Julio C. Fabris
Cosmic acceleration is usually related with the unknown dark energy, which equation of state, w(z), is constrained and numerically confronted with independent astrophysical data. I…
DBI Galileon inflation in the light of Planck 2015
K. Sravan Kumar, Juan C. Bueno Sanchez, Celia Escamilla-Rivera +2
In this work we consider a DBI Galileon (DBIG) inflationary model and constrain its parameter space with the Planck 2015 and BICEP2/Keck array and Planck (BKP) joint analysis data…