Cosmology with persistent homology: a Fisher forecast
Jacky H.T. Yip,
Matteo Biagetti,
Alex Cole
et al.
Abstract:Persistent homology naturally addresses the multi-scale topological characteristics of the
large-scale structure as a distribution of clusters, loops, and voids. We apply this tool to the
dark matter halo catalogs from the Quijote simulations, and build a summary statistic for
comparison with the joint power spectrum and bispectrum statistic regarding their information
content on cosmological parameters and primordial non-Gaussianity. Through a Fisher analysis, we
find that constraints from persisten… Show more
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