Search Results for author: Nicolas Gillet

Found 3 papers, 1 papers with code

The interplay of fast waves and slow convection in geodynamo simulations nearing Earth's core conditions

no code implementations12 Feb 2021 Julien Aubert, Nicolas Gillet

Ground observatory and satellite-based determinations of temporal variations in the geomagnetic field probe a decadal to annual time scale range where Earth's core slow, inertialess convective motions and rapidly propagating, inertia-bearing hydromagnetic waves are in interplay.

Geophysics

A deep learning model to emulate simulations of cosmic reionization

no code implementations16 May 2019 Jonathan Chardin, Grégoire Uhlrich, Dominique Aubert, Nicolas Deparis, Nicolas Gillet, Pierre Ocvirk, Joseph Lewis

CRADLE (Cosmological Reionization And Deep LEarning) is an autoencoder convolutional neural network that uses two-dimensional maps of the star number density and the gas density field at z=6 as inputs and that predicts 3D maps of the times of reionization $\mathrm{t_{reion}}$ as outputs.

Cosmology and Nongalactic Astrophysics

Deep learning from 21-cm images of the Cosmic Dawn

2 code implementations7 May 2018 Nicolas Gillet, Andrei Mesinger, Bradley Greig, Adrian Liu, Graziano Ucci

The 21-cm power spectrum (PS) has been shown to be a powerful discriminant of reionization and cosmic dawn astrophysical parameters.

Cosmology and Nongalactic Astrophysics

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