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astro-ph.CO2026
Learning the averaged history of an inhomogeneous universe from its present day density field
Jonas Broe Bendtsen, Sofie Marie Koksbang
In this work, we investigate whether machine learning can be used to infer averaged cosmological quantities directly from the present day matter density distribution. Using an impl…
astro-ph.CO2026
Cosmography for a General Spacetime Centred at Arbitrary Redshift
Jonas Broe Bendtsen, Asta Heinesen, Sofie Marie Koksbang
With upcoming surveys providing large volumes of highly precise observational data across a wide range of redshifts, it is increasingly important to have tools that can translate o…