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Lui Sha

3 accepted papers

2025

Accelerating Neural ODEs: A Variational Formulation-based Approach

ICLR 2025poster

Neural Ordinary Differential Equations (Neural ODEs or NODEs) excel at modeling continuous dynamical systems from observational data, especially when the data is irregularly sampled. However, existing training methods predominantly rely on numerical ODE solvers, which are time-consuming and prone to…

2024

Physics-Regulated Deep Reinforcement Learning: Invariant Embeddings

ICLR 2024spotlight

This paper proposes the Phy-DRL: a physics-regulated deep reinforcement learning (DRL) framework for safety-critical autonomous systems. The Phy-DRL has three distinguished invariant-embedding designs: i) residual action policy (i.e., integrating data-driven-DRL action policy and physics-model-based…