Regularity Analysis and Tensor Neural Network Methods for Quasiperiodic Elliptic Equations
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arXiv
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| Auteurs principaux: | , , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866914495391072256 |
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| author | Ren, Jingze Wang, Yifan Xie, Hehu Zhai, Qilong |
| author_facet | Ren, Jingze Wang, Yifan Xie, Hehu Zhai, Qilong |
| contents | In this paper, we propose a novel machine learning method based on an adaptive tensor neural network subspace for solving quasiperiodic elliptic problems. To this end, we first provide a theoretical analysis of the associated quasiperiodic and periodic function spaces and establish regularity estimates for the quasiperiodic elliptic problems. In particular, under the Diophantine condition, we derive a suitable condition on the source term to guarantee the regularity of the solution, which provides a theoretical basis for the design of numerical schemes. An efficient numerical method is then designed by combining the projection method with tensor neural networks. Leveraging the special structure of tensor neural networks, high-dimensional integration can be performed directly and with high accuracy, without relying on Monte Carlo methods. Finally, several numerical experiments are presented to demonstrate the accuracy and efficiency of the proposed method. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_19575 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Regularity Analysis and Tensor Neural Network Methods for Quasiperiodic Elliptic Equations Ren, Jingze Wang, Yifan Xie, Hehu Zhai, Qilong Numerical Analysis 65N25, 65L15, 65B99, 68T07 In this paper, we propose a novel machine learning method based on an adaptive tensor neural network subspace for solving quasiperiodic elliptic problems. To this end, we first provide a theoretical analysis of the associated quasiperiodic and periodic function spaces and establish regularity estimates for the quasiperiodic elliptic problems. In particular, under the Diophantine condition, we derive a suitable condition on the source term to guarantee the regularity of the solution, which provides a theoretical basis for the design of numerical schemes. An efficient numerical method is then designed by combining the projection method with tensor neural networks. Leveraging the special structure of tensor neural networks, high-dimensional integration can be performed directly and with high accuracy, without relying on Monte Carlo methods. Finally, several numerical experiments are presented to demonstrate the accuracy and efficiency of the proposed method. |
| title | Regularity Analysis and Tensor Neural Network Methods for Quasiperiodic Elliptic Equations |
| topic | Numerical Analysis 65N25, 65L15, 65B99, 68T07 |
| url | https://arxiv.org/abs/2604.19575 |