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5 papers · 1 filter
Higher-order methods of radiative transfer in simulations of the epoch of reionisation: Pn versus M1
Mei Palanque, Pierre Ocvirk, Emmanuel Franck +3
In current cosmological simulations, the radiative transfer modules generally rely on the M1 approximation, which has some glaring flaws related to its fluid-like behaviour, such a…
Statistically bias-minimized peculiar velocity catalogs from Gibbs point processes and Bayesian inference
Jenny G. Sorce, Radu S. Stoica, Elmo Tempel
Galaxy peculiar velocities are excellent cosmological probes provided that biases inherent to their measurements are contained before any study. This paper proposes a new algorithm…
Accurate Baryon Acoustic Oscillations reconstruction via semi-discrete optimal transport
Sebastian von Hausegger, Bruno Lévy, Roya Mohayaee
Optimal transport theory has recently reemerged as a vastly resourceful field of mathematics with elegant applications across physics and computer science. Harnessing methods from…
Morpho-statistical characterisation of the spatial galaxy distribution through Gibbs point processes
Lluís Hurtado-Gil, Radu S. Stoica, Vicent J. Martínez +1
This paper proposes a morpho-statistical characterisation of the galaxy distribution through spatial statistical modelling based on inhomogeneous Gibbs point processes. The galaxy…
Photometric redshift galaxies as tracers of the filamentary network
Maarja Kruuse, Elmo Tempel, Rain Kipper +1
Galaxy filaments are the dominant feature in the overall structure of the cosmic web. The study of the filamentary web is an important aspect in understanding galaxy evolution and…