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astro-ph.CO2024
Reconstruction of Continuous Cosmological Fields from Discrete Tracers with Graph Neural Networks
Yurii Kvasiuk, Jordan Krywonos, Matthew C. Johnson +1
We develop a hybrid GNN-CNN architecture for the reconstruction of 3-dimensional continuous cosmological matter fields from discrete point clouds, provided by observed galaxy catal…
astro-ph.CO2024
A Tale of Two Fields: Neural Network-Enhanced non-Gaussianity Search with Halos
Yurii Kvasiuk, Moritz Münchmeyer, Kendrick Smith
It was recently shown that neural networks can be combined with the analytic method of scale-dependent bias to obtain a measurement of local primordial non-Gaussianity, which is op…