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20182023
most citedFrequency Principle: Fourier Analysis Sheds Light on Deep Neural Networks

540 citations · 908 across the 23 of their papers we have counts for

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5 papers · 1 filter

math.NA2023★ 2 cited

Laplace-fPINNs: Laplace-based fractional physics-informed neural networks for solving forward and inverse problems of subdiffusion

Xiong-Bin Yan, Zhi-Qin John Xu, Zheng Ma

The use of Physics-informed neural networks (PINNs) has shown promise in solving forward and inverse problems of fractional diffusion equations. However, due to the fact that autom…

math.NA2022

Bayesian Inversion with Neural Operator (BINO) for Modeling Subdiffusion: Forward and Inverse Problems

Xiong-bin Yan, Zhi-Qin John Xu, Zheng Ma

Fractional diffusion equations have been an effective tool for modeling anomalous diffusion in complicated systems. However, traditional numerical methods require expensive computa…

math.NA2021★ 3 cited

Asymptotic-Preserving Neural Networks for Multiscale Time-Dependent Linear Transport Equations

Shi Jin, Zheng Ma, Keke Wu

In this paper we develop a neural network for the numerical simulation of time-dependent linear transport equations with diffusive scaling and uncertainties. The goal of the networ…

math.NA2021★ 32 cited

MOD-Net: A Machine Learning Approach via Model-Operator-Data Network for Solving PDEs

Lulu Zhang, Tao Luo, Yaoyu Zhang +3

In this paper, we propose a a machine learning approach via model-operator-data network (MOD-Net) for solving PDEs. A MOD-Net is driven by a model to solve PDEs based on operator r…

math.NA2020

Fourier-domain Variational Formulation and Its Well-posedness for Supervised Learning

Tao Luo, Zheng Ma, Zhiwei Wang +2

A supervised learning problem is to find a function in a hypothesis function space given values on isolated data points. Inspired by the frequency principle in neural networks, we…