Efficient Parallel Algorithm for Estimating Higher-order Polyspectra

Nonlinearities in the gravitational evolution, galaxy bias, and redshift-space distortion drive the observed galaxy density fields away from the initial near-Gaussian states. Exploiting such a non-Gaussian galaxy density field requires measuring higher-order correlation functions, or, its Fourier co...

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Vydané v:	The Astronomical journal Ročník 158; číslo 3; s. 116 - 126
Hlavní autori:	Tomlinson, Joseph, Jeong, Donghui, Kim, Juhan
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Madison The American Astronomical Society 01.09.2019 IOP Publishing
Predmet:	Algorithms Astronomy Correlation analysis Density Estimation Fast Fourier transformations Fourier transforms Galactic evolution Galaxies large-scale structure of universe methods: data analysis Parallel processing Red shift
ISSN:	0004-6256, 1538-3881, 1538-3881
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