A Gaussian-process emulator that samples collapse fractions from simulation-calibrated conditional distributions reproduces reionization-era HI power spectra to about 10% on large scales while using far less memory than a full high-resolution simulation.
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Accelerating HI density predictions during the Epoch of Reionization using a GPR-based emulator on N-body simulations
A Gaussian-process emulator that samples collapse fractions from simulation-calibrated conditional distributions reproduces reionization-era HI power spectra to about 10% on large scales while using far less memory than a full high-resolution simulation.