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math.NA2026

Regularity Analysis and Tensor Neural Network Methods for Quasiperiodic Elliptic Equations

Jingze Ren, Yifan Wang, Hehu Xie +1

This paper investigates quasiperiodic elliptic equations using a well-established projection method, by which the original problem is reformulated as a degenerate periodic variatio…

math.NA2025

Neural Network Element Method for Partial Differential Equations

Yifan Wang, Zhongshuo Lin, Hehu Xie

In this paper, based on the combination of finite element mesh and neural network, a novel type of neural network element space and corresponding machine learning method are design…

math.NA2024

Adaptive Neural Network Subspace Method for Solving Partial Differential Equations with High Accuracy

Zhongshuo Lin, Yifan Wang, Hehu Xie

Based on neural network and adaptive subspace approximation method, we propose a new machine learning method for solving partial differential equations. The neural network is adopt…

math.NA2024

FieldTNN-based machine learning method for Maxwell eigenvalue problems

Jiantao Jiang, Yanli Wang, Yifan Wang +1

The aim of this paper is to introduce a FieldTNN-based machine learning method for solving the Maxwell eigenvalue problem in both 2D and 3D domains, including both tensor and non-t…

math.NA2024

Solving High Dimensional Partial Differential Equations Using Tensor Neural Network and A Posteriori Error Estimators

Yifan Wang, Zhongshuo Lin, Yangfei Liao +2

In this paper, based on the combination of tensor neural network and a posteriori error estimator, a novel type of machine learning method is proposed to solve high-dimensional bou…

math.NA2024

Enhanced Error Estimates for Augmented Subspace Method with Crouzeix-Raviart Element

Zhijin Guan, Yifan Wang, Hehu Xie +1

In this paper, we present some enhanced error estimates for augmented subspace methods with the nonconforming Crouzeix-Raviart (CR) element. Before the novel estimates, we derive t…