A feed-forward neural network reconstructs reionization midpoint redshift z50 and duration Delta z from fixed-k 21 cm power spectrum trajectories using 21cmFAST simulations, with reported MAE of 0.0046 for z50.
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Varying the star formation history of galaxies while keeping total ionizing photons fixed changes the size and warmth of ionized regions, altering the topology of reionization and the 21-cm global signal and power spectrum.
citing papers explorer
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Reconstruction of Reionization Histories from 21 cm Power-Spectrum Evolution with Artificial Neural Networks
A feed-forward neural network reconstructs reionization midpoint redshift z50 and duration Delta z from fixed-k 21 cm power spectrum trajectories using 21cmFAST simulations, with reported MAE of 0.0046 for z50.
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POLAR-II: modeling star formation history of galaxies on the 21-cm signal from Epoch of Reionization
Varying the star formation history of galaxies while keeping total ionizing photons fixed changes the size and warmth of ionized regions, altering the topology of reionization and the 21-cm global signal and power spectrum.