Subsampling and averaging stabilizes Delaunay and Voronoi tessellation void statistics (VSF, VTCF, VPS), reducing scatters attributed to tessellation instabilities and boosting BAO signal-to-noise and cosmological constraining power.
N., Pisani, A., & Hamaus, N
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The authors introduce analog matching to generate Roman Space Telescope mock catalogs that reproduce emission-line galaxy statistics and highlight the need to match void properties separately from two-point clustering for CMB cross-correlation studies.
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Optimization of Tessellation-based Statistics: Void Statistics
Subsampling and averaging stabilizes Delaunay and Voronoi tessellation void statistics (VSF, VTCF, VPS), reducing scatters attributed to tessellation instabilities and boosting BAO signal-to-noise and cosmological constraining power.
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Towards precision cosmology with Voids x CMB correlations (I): Roman-Agora mock catalogs and pipeline validation
The authors introduce analog matching to generate Roman Space Telescope mock catalogs that reproduce emission-line galaxy statistics and highlight the need to match void properties separately from two-point clustering for CMB cross-correlation studies.
- VERSUS: An excursion-set-inspired void-finder for the Stage-IV era