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Nonparametric reconstruction of the cosmic expansion with local regression smoothing and simulation extrapolation

- A. Montiel, R. Lazkoz, I. Sendra, C. Escamilla-Rivera, V. Salzano
- Physics
- 16 January 2014

In this work we present a nonparametric approach, which works on minimal assumptions, to reconstruct the cosmic expansion of the Universe. We propose to combine a locally weighted scatterplot… Expand

Tensor instability in the Eddington-inspired Born-Infeld theory of gravity

- C. Escamilla-Rivera, M. Banados, P. Ferreira
- Physics
- 7 April 2012

In this paper we consider an extension to Eddington's proposal for the gravitational action. We study tensor perturbations of a homogeneous and isotropic space-time in the Eddington regime, where… Expand

The final state of gravitational collapse in Eddington‐inspired Born‐Infeld theory

- Y. Tavakoli, C. Escamilla-Rivera, J. Fabris
- Physics
- 16 December 2015

In this paper, we address the implications when a homogeneous dust model is considered for a scenario of gravitational collapse in the context of Eddington-inspired Born-Infeld (EiBI) theory. In… Expand

Cosmological viable models in $f(T,B)$ gravity as solutions to the $H_0$ tension

- C. Escamilla-Rivera, J. Said
- Physics
- 20 September 2019

In this work we present a further investigation about Teleparallel Gravity Cosmology. We demonstrate that according the current astrophysical data (CC+Pantheon+BAO samplers with late universe… Expand

Tension between SNeIa and BAO: current status and future forecasts

- C. Escamilla-Rivera, R. Lazkoz, V. Salzano, I. Sendra
- Physics
- 11 March 2011

Using real and synthetic Type Ia SNe (SNeIa) and baryon acoustic oscillations (BAO) data representing current observations forecasts, this paper investigates the tension between those probes in the… Expand

New parametrized equation of state for dark energy surveys

- L. Jaime, M. Jaber, C. Escamilla-Rivera
- Physics
- 11 April 2018

We present a new parameterization for the equation of state (EoS) $\omega_X=P_X/\rho_X$, which can reproduce a $f(R)$-like evolution with a precision between $[0.5\%-0.8\%]$ over the numerical… Expand

BAO cosmography

- R. Lazkoz, J. Alcaniz, C. Escamilla-Rivera, V. Salzano, I. Sendra
- Physics
- 26 November 2013

Cosmography provides a model-independent way to map the expansion history of the Universe. In this paper we simulate a Euclid-like survey and explore cosmographic constraints from future Baryonic… Expand

Cosmological analysis of a DGP stable model with $H(z)$ observations

- Gabriela B'arcenas-Enr'iquez, C. Escamilla-Rivera, Miguel A. García-Aspeitia
- Physics
- 8 March 2018

In this paper, we will present a Dvali-Gabadadze-Porrati stable model in order to perform an observational test using $H(z)$ data and radial BAO scale in the galaxy distribution. In this vein, we… Expand

Unveiling the tachyon dynamics in the Carrollian limit

- C. Escamilla-Rivera, G. García-Jiménez, O. Obregón
- Physics
- 1 September 2010

We briefly study the dynamics at classical level of the Carrollian limit, with vanishing speed of light and no possible propagation of signals, for a simply effective action in a flat space with an… Expand

Improving data-driven model-independent reconstructions and new constraints in Horndeski cosmology

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 H(z) from Cosmic Chronometers,… Expand

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