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Non-metricity with boundary terms: 𝖿 (𝖰, 𝖢) gravity and cosmology
We formulate f (Q, C) gravity and cosmology. Such a construction is based on the symmetric
teleparallel geometry, but apart form the non-metricity scalar Q we incorporate in the …
teleparallel geometry, but apart form the non-metricity scalar Q we incorporate in the …
Data reconstruction of the dynamical connection function in f(Q) cosmology
We employ Hubble data and Gaussian Processes in order to reconstruct the dynamical
connection function in cosmology beyond the coincident gauge. In particular, there exist …
connection function in cosmology beyond the coincident gauge. In particular, there exist …
General parallel cosmology
DA Gomes, JB Jiménez… - Journal of Cosmology and …, 2023 - iopscience.iop.org
General (tele) parallel Relativity, G∥ R, is the relativistic completion of Einstein's theories of
gravity. The focus of this article is the derivation of the homogeneous and isotropic solution …
gravity. The focus of this article is the derivation of the homogeneous and isotropic solution …
Exploring the stability of cosmology near general relativity limit with different connections
In this work, we study cosmological spacetime configurations in f (Q) gravity with
nonvanishing symmetric teleparallel connections. It is known that the spatially flat …
nonvanishing symmetric teleparallel connections. It is known that the spatially flat …
Minisuperspace description of f (Q)-cosmology
We investigate the existence of minisuperspace description for the homogeneous
cosmological field equations within the framework of symmetric teleparallel f (Q)-gravity. We …
cosmological field equations within the framework of symmetric teleparallel f (Q)-gravity. We …
Observational Test of f (Q) Gravity with Weak Gravitational Lensing
In this article we confront a class of f (Q) gravity models with observational data of galaxy–
galaxy lensing. Specifically, we consider f (Q) gravity models containing a small quadratic …
galaxy lensing. Specifically, we consider f (Q) gravity models containing a small quadratic …
Stability of symmetric teleparallel scalar-tensor cosmologies with alternative connections
In symmetric teleparallel geometry the curvature and torsion tensors are assumed to vanish
identically, while the dynamics of gravity is encoded by nonmetricity. Here the spatially …
identically, while the dynamics of gravity is encoded by nonmetricity. Here the spatially …
f (T) cosmology in the regime of quasar observations
The open problems related to cosmological tensions in current times have opened new
paths to study new probes to constrain cosmological parameters in standard and extended …
paths to study new probes to constrain cosmological parameters in standard and extended …
[HTML][HTML] Nonzero spatial curvature in symmetric teleparallel cosmology
A Paliathanasis - Physics of the Dark Universe, 2023 - Elsevier
We consider the symmetric teleparallel f Q-gravity in Friedmann–Lemaître–Robertson–
Walker cosmology with nonzero spatial curvature. For a nonlinear f Q model there exist …
Walker cosmology with nonzero spatial curvature. For a nonlinear f Q model there exist …
Dynamical system analysis of LRS-BI Universe with f (Q) gravity theory
Considering the Universe as a dynamic system, the understanding of its evolution is an
interesting aspect of study in cosmology. Here, we investigate the anisotropic locally …
interesting aspect of study in cosmology. Here, we investigate the anisotropic locally …