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gr-qc2024
The impact of anisotropic sky-sampling on the Hubble constant in numerical relativity
Hayley J. Macpherson
We study the impact of nearby inhomogeneities on an observer's inference of the Hubble constant. Large-scale structures induce a dependence of cosmological parameters on observer p…
gr-qc2023
Inhomogeneous Cosmology using General Relativistic Smoothed Particle Hydrodynamics coupled to Numerical Relativity
Spencer J. Magnall, Daniel J. Price, Paul D. Lasky +1
We perform three-dimensional simulations of homogeneous and inhomogeneous cosmologies via the coupling of a numerical relativity code for spacetime evolution and smoothed particle…