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gr-qc2023★ 20 cited
Cosmological Perturbation Theory in Metric-Affine Gravity
Katsuki Aoki, Sebastian Bahamonde, Jorge Gigante Valcarcel +1
We formulate cosmological perturbation theory around the spatially curved FLRW background in the context of metric-affine gauge theory of gravity which includes torsion and nonmetr…
gr-qc2023★ 5 cited
Algebraic classification of the gravitational field in Weyl-Cartan space-times
Sebastian Bahamonde, Jorge Gigante Valcarcel
We present a complete algebraic classification for the curvature tensor in Weyl-Cartan geometry, by applying methods of eigenvalues and principal null directions on its irreducible…