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astro-ph.CO2024★ 6 cited
Fast Projected Bispectra: the filter-square approach
Lea Harscouet, Jessica A. Cowell, Julia Ereza +4
The study of third-order statistics in large-scale structure analyses has been hampered by the increased complexity of bispectrum estimators (compared to power spectra), the large…
astro-ph.CO2024★ 15 cited
Catalog-based pseudo-s
Kevin Wolz, David Alonso, Andrina Nicola
We present a formalism to extract the angular power spectrum of fields sampled at a finite number of points with arbitrary positions -- a common situation for several catalog-based…