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Galaxies 2016, 4(4), 76; doi:10.3390/galaxies4040076

Nonparametric Reconstruction of the Om Diagnostic to Test ΛCDM

1
Mesoamerican Centre for Theoretical Physics, Universidad Autónoma de Chiapas, Carretera Zapata Km. 4, Real del Bosque (Terán), 29040 Tuxtla Gutiérrez, Mexico
2
Departamento de Física, Universidade Federal do Espírito Santo, Av. Fernando Ferrari 514, Vitória 29075-910, Brazil
3
National Research Nuclear University “MEPhI”, Kashirskoe sh. 31, Moscow 115409, Russia
*
Authors to whom correspondence should be addressed.
Academic Editor: Emilio Elizalde
Received: 13 October 2016 / Revised: 2 December 2016 / Accepted: 3 December 2016 / Published: 10 December 2016
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Abstract

In this work, we consider an Om diagnostic using a non-parametric reconstruction by employing the Loess–Simex factory. This procedure allows us to perform a model-independent comparison for w(z) with the astrophysical data. The concordance model can be tested with the advantage that our approach represents an alternative and efficient way to relax the use of priors and find a possible w that reliably describes the data with no previous knowledge of a cosmological model. View Full-Text
Keywords: cosmic acceleration; dark energy; non-parametric diagnostics cosmic acceleration; dark energy; non-parametric diagnostics
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Escamilla-Rivera, C.; Fabris, J.C. Nonparametric Reconstruction of the Om Diagnostic to Test ΛCDM. Galaxies 2016, 4, 76.

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