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Why? Because the web reflects what the universe is on intermediate scales, which are informative, both in terms of cosmic evolution and quantity of data. It acts as a dynamically relevant intermediate-density bridge (easier to model) between cosmology and galaxy formation. The cosmic web is also the source of all anisotropy, critical for angular momentum acquisition, which is the number two parameter in galaxy formation.

Why now? Because upcoming large surveys and computer ressources now provide us with the statistical power needed to embrace the challenge involved in modelling the geometry of the cosmic web across cosmic time.

What numbers? Anything related to dark energy will quantitatively gain from better modelling the anisotropy of the web and its cosmic impact on galaxies used as classical tracers across time.

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Page last modified on July 27, 2021, at 03:06 PM