Search Results for author: Drew Jamieson

Found 3 papers, 2 papers with code

Predicting the Initial Conditions of the Universe using a Deterministic Neural Network

no code implementations23 Mar 2023 Vaibhav Jindal, Albert Liang, Aarti Singh, Shirley Ho, Drew Jamieson

Finding the initial conditions that led to the current state of the universe is challenging because it involves searching over an intractable input space of initial conditions, along with modeling their evolution via tools such as N-body simulations which are computationally expensive.

Simple lessons from complex learning: what a neural network model learns about cosmic structure formation

1 code implementation9 Jun 2022 Drew Jamieson, Yin Li, Siyu He, Francisco Villaescusa-Navarro, Shirley Ho, Renan Alves de Oliveira, David N. Spergel

We find our model generalizes well to these well understood scenarios, demonstrating that the networks have inferred general physical principles and learned the nonlinear mode couplings from the complex, random Gaussian training data.

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