Search Results for author: Xiong-bin Yan

Found 5 papers, 0 papers with code

ODE-DPS: ODE-based Diffusion Posterior Sampling for Inverse Problems in Partial Differential Equation

no code implementations21 Apr 2024 Enze Jiang, Jishen Peng, Zheng Ma, Xiong-bin Yan

In recent years we have witnessed a growth in mathematics for deep learning, which has been used to solve inverse problems of partial differential equations (PDEs).

An Unsupervised Deep Learning Approach for the Wave Equation Inverse Problem

no code implementations8 Nov 2023 Xiong-bin Yan, Keke Wu, Zhi-Qin John Xu, Zheng Ma

Full-waveform inversion (FWI) is a powerful geophysical imaging technique that infers high-resolution subsurface physical parameters by solving a non-convex optimization problem.

Bayesian Inference

Capturing the Diffusive Behavior of the Multiscale Linear Transport Equations by Asymptotic-Preserving Convolutional DeepONets

no code implementations28 Jun 2023 Keke Wu, Xiong-bin Yan, Shi Jin, Zheng Ma

In this paper, we introduce two types of novel Asymptotic-Preserving Convolutional Deep Operator Networks (APCONs) designed to address the multiscale time-dependent linear transport problem.

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

no code implementations3 Apr 2023 Xiong-bin Yan, Zhi-Qin John Xu, Zheng Ma

To address this issue, this paper proposes an extension to PINNs called Laplace-based fractional physics-informed neural networks (Laplace-fPINNs), which can effectively solve the forward and inverse problems of fractional diffusion equations.

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

no code implementations22 Nov 2022 Xiong-bin Yan, Zhi-Qin John Xu, Zheng Ma

A large number of numerical experiments demonstrate that the operator learning method proposed in this work can efficiently solve the forward problems and Bayesian inverse problems of the subdiffusion equation.

Operator learning

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