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Voids and the Cosmic Web: cosmic depressions & spatial complexity

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arxiv 1611.01222 v2 pith:INSUX6VO submitted 2016-11-03 astro-ph.CO

classification astro-ph.CO
keywords voidscosmicevolutiondarkgalaxymatternaturepopulation
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Voids form a prominent aspect of the Megaparsec distribution of galaxies and matter. Not only do they represent a key constituent of the Cosmic Web, they also are one of the cleanest probes and measures of global cosmological parameters. The shape and evolution of voids are highly sensitive to the nature of dark energy, while their substructure and galaxy population provides a direct key to the nature of dark matter. Also, the pristine environment of void interiors is an important testing ground for our understanding of environmental influences on galaxy formation and evolution. In this paper, we review the key aspects of the structure and dynamics of voids, with a particular focus on the hierarchical evolution of the void population. We demonstrate how the rich structural pattern of the Cosmic Web is related to the complex evolution and buildup of voids.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Why Cosmic Voids Matter: Pristine Evolution

    astro-ph.CO 2025-09 conditional novelty 7.0 of 10

    Cosmic voids traced by halos become stable at late times, and the matter around them evolves linearly, supporting their use as clean dark-energy probes.

  2. Cosmic voids evolution in modified gravity via hydrodynamics

    astro-ph.CO 2026-02 conditional novelty 6.0 of 10

    Voids in luminal Galileon gravity are always unscreened, and a reality requirement on the fifth force rules out ~82% of the favored parameter space, yielding a redshift-dependent minimum void depth.

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