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astro-ph.CO2026
Emulation of SPHEREx Galaxy Power Spectra I: Neural Network Details and Optimization
Joseph Adamo, Grace Gibbins, Anne Moore +1
We present neural networks to generate redshift-space galaxy power spectrum multipoles for multiple tracer and redshift bins simultaneously given a set of input cosmology and galax…
astro-ph.CO2024
Neural network based emulation of galaxy power spectrum covariances -- A reanalysis of BOSS DR12 data
Joseph Adamo, Hung-Jin Huang, Tim Eifler
We train neural networks to quickly generate redshift-space galaxy power spectrum covariances from a given parameter set (cosmology and galaxy bias). This covariance emulator utili…