This review summarizes SKA-Low's tomographic imaging potential for the 21-cm signal and its connection to the global 21-cm signal.
Shapefinders: A new shape diagnostic for large scale structure
2 Pith papers cite this work. Polarity classification is still indexing.
abstract
We construct a set of shape-finders which determine shapes of compact surfaces (iso-density surfaces in galaxy surveys or N-body simulations) without fitting them to ellipsoidal configurations as done earlier. The new indicators arise from simple, geometrical considerations and are derived from fundamental properties of a surface such as its volume, surface area, integrated mean curvature and connectivity characterized by the Genus. These `Shapefinders' could be used to diagnose the presence of filaments, pancakes and ribbons in large scale structure. Their lower-dimensional generalization may be useful for the study of two-dimensional distributions such as temperature maps of the Cosmic Microwave Background.
fields
astro-ph.CO 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
Overview of SKA-Low 21cm experiments for high-redshift cosmology, covering power spectra, tomography, 21cm forest, cross-correlations, and key telescope features.
citing papers explorer
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Imaging the 21-cm Signal from the Cosmic Dawn & Epoch of Reionization and the Connection with the Global Signal
This review summarizes SKA-Low's tomographic imaging potential for the 21-cm signal and its connection to the global 21-cm signal.
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Overview of 21cm Experiments at high redshift with SKAO
Overview of SKA-Low 21cm experiments for high-redshift cosmology, covering power spectra, tomography, 21cm forest, cross-correlations, and key telescope features.