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gr-qc2026
Quasi-isotropic Asymptotic Expansions in Varying Speed of Light Cosmologies
Dimitrios Trachilis
We generalize the quasi-isotropic solution of the Einstein equations near a cosmological initial singularity to models with a varying speed of light and/or a varying gravitational…
gr-qc2026★ 1 cited
Asymptotic analysis of varying light speed cosmologies
Dimitrios Trachilis
We investigate potential singularities in isotropic cosmological models featuring a time-varying speed of light and the gravitational constant. The governing field equations genera…