Search Results for author: Andrea J. Liu

Found 4 papers, 2 papers with code

Elastoplasticity Mediates Dynamical Heterogeneity Below the Mode-Coupling Temperature

1 code implementation2 Mar 2021 Rahul N. Chacko François P. Landes, Giulio Biroli, Olivier Dauchot, Andrea J. Liu, David R. Reichman

As liquids approach the glass transition temperature, dynamical heterogeneity emerges as a crucial universal feature of their behavior.

Soft Condensed Matter Statistical Mechanics Chemical Physics

Tilting the playing field: Dynamical loss functions for machine learning

1 code implementation7 Feb 2021 Miguel Ruiz-Garcia, Ge Zhang, Samuel S. Schoenholz, Andrea J. Liu

In underparameterized networks, such dynamical loss functions can lead to successful training for networks that fail to find a deep minima of the standard cross-entropy loss.

BIG-bench Machine Learning

Machine learning determination of atomic dynamics at grain boundaries

no code implementations4 Mar 2018 Tristan A. Sharp, Spencer L. Thomas, Ekin D. Cubuk, Samuel S. Schoenholz, David J. Srolovitz, Andrea J. Liu

In polycrystalline materials, grain boundaries are sites of enhanced atomic motion, but the complexity of the atomic structures within a grain boundary network makes it difficult to link the structure and atomic dynamics.

Materials Science

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