activity
20192023
most citedIncorporating Symmetry into Deep Dynamics Models for Improved Generalization

81 citations · 181 across the 14 of their papers we have counts for

collaborators

16 papers

cs.CV2023★ 1 cited

Phase Matching for Out-of-Distribution Generalization

Chengming Hu, Yeqian Du, Rui Wang +2

The Fourier transform, an explicit decomposition method for visual signals, has been employed to explain the out-of-distribution generalization behaviors of Deep Neural Networks (D…

cs.CV2023

Solving Oscillation Problem in Post-Training Quantization Through a Theoretical Perspective

Yuexiao Ma, Huixia Li, Xiawu Zheng +6

Post-training quantization (PTQ) is widely regarded as one of the most efficient compression methods practically, benefitting from its data privacy and low computation costs. We ar…

cs.LG2022★ 6 cited

Koopman Neural Forecaster for Time Series with Temporal Distribution Shifts

Rui Wang, Yihe Dong, Sercan Ö. Arik +1

Temporal distributional shifts, with underlying dynamics changing over time, frequently occur in real-world time series and pose a fundamental challenge for deep neural networks (D…

cs.LG2022★ 5 cited

Data Augmentation vs. Equivariant Networks: A Theory of Generalization on Dynamics Forecasting

Rui Wang, Robin Walters, Rose Yu

Exploiting symmetry in dynamical systems is a powerful way to improve the generalization of deep learning. The model learns to be invariant to transformation and hence is more robu…

cs.LG2022★ 11 cited

Approximately Equivariant Networks for Imperfectly Symmetric Dynamics

Rui Wang, Robin Walters, Rose Yu

Incorporating symmetry as an inductive bias into neural network architecture has led to improvements in generalization, data efficiency, and physical consistency in dynamics modeli…

cs.LG2021

Latent Space Simulation for Carbon Capture Design Optimization

Brian Bartoldson, Rui Wang, Yucheng Fu +5

The CO2 capture efficiency in solvent-based carbon capture systems (CCSs) critically depends on the gas-solvent interfacial area (IA), making maximization of IA a foundational chal…

q-fin.CP2021

Discriminating modelling approaches for Point in Time Economic Scenario Generation

Rui Wang

We introduce the notion of Point in Time Economic Scenario Generation (PiT ESG) with a clear mathematical problem formulation to unify and compare economic scenario generation appr…

cs.LG2021

BAGUA: Scaling up Distributed Learning with System Relaxations

Shaoduo Gan, Xiangru Lian, Rui Wang +11

Recent years have witnessed a growing list of systems for distributed data-parallel training. Existing systems largely fit into two paradigms, i.e., parameter server and MPI-style…

cs.LG2021★ 45 cited

Physics-Guided Deep Learning for Dynamical Systems: A Survey

Rui Wang, Rose Yu

Modeling complex physical dynamics is a fundamental task in science and engineering. Traditional physics-based models are sample efficient, and interpretable but often rely on rigi…

cs.LG2021★ 5 cited

Meta-Learning Dynamics Forecasting Using Task Inference

Rui Wang, Robin Walters, Rose Yu

Current deep learning models for dynamics forecasting struggle with generalization. They can only forecast in a specific domain and fail when applied to systems with different para…

cs.LG2020★ 21 cited

Bridging Physics-based and Data-driven modeling for Learning Dynamical Systems

Rui Wang, Danielle Maddix, Christos Faloutsos +2

How can we learn a dynamical system to make forecasts, when some variables are unobserved? For instance, in COVID-19, we want to forecast the number of infected and death cases but…

cs.LG2020

Aortic Pressure Forecasting with Deep Sequence Learning

Eliza Huang, Rui Wang, Uma Chandrasekaran +1

Mean aortic pressure (MAP) is a major determinant of perfusion in all organs systems. The ability to forecast MAP would enhance the ability of physicians to estimate prognosis of t…

cs.LG2020★ 4 cited

Estimating Q(s,s') with Deep Deterministic Dynamics Gradients

Ashley D. Edwards, Himanshu Sahni, Rosanne Liu +7

In this paper, we introduce a novel form of value function, , that expresses the utility of transitioning from a state to a neighboring state and then acting opt…

cs.LG2020★ 81 cited

Incorporating Symmetry into Deep Dynamics Models for Improved Generalization

Rui Wang, Robin Walters, Rose Yu

Recent work has shown deep learning can accelerate the prediction of physical dynamics relative to numerical solvers. However, limited physical accuracy and an inability to general…

physics.comp-ph2019

Towards Physics-informed Deep Learning for Turbulent Flow Prediction

Rui Wang, Karthik Kashinath, Mustafa Mustafa +2

While deep learning has shown tremendous success in a wide range of domains, it remains a grand challenge to incorporate physical principles in a systematic manner to the design, t…

cs.LG2019★ 2 cited

First-Order Preconditioning via Hypergradient Descent

Ted Moskovitz, Rui Wang, Janice Lan +4

Standard gradient descent methods are susceptible to a range of issues that can impede training, such as high correlations and different scaling in parameter space.These difficulti…