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English(EN) Spectral-Informed Neural Networks Outperform Spectral Methods in High-dimensional PDEs

新的神经网络方法解决高维偏微分方程问题 · 跟踪3个来源

研究人员开发了使用神经网络求解高维偏微分方程(PDE)的新方法。改进的光谱感知神经网络(SINNs)将谱方法与物理信息神经网络(PINNs)相结合,以提高准确性和效率,在谱信息不完整的PDE问题上优于传统的谱方法,并在高维场景下取得了优于PINNs的结果。另外,谱滤波算子(SFO)利用源自希尔伯特矩阵特征模式的通用谱基来参数化积分核,从而能够有效地表示神经算子中的非局部相互作用,并在各种基准测试中实现了最先进的准确性。 AI

影响 这些在求解复杂数学问题的神经网络架构方面的进展可能导致在流体动力学和电磁学等领域实现更高效的模拟。

排序理由 该集群包含多篇学术论文,详细介绍了数值分析和机器学习在求解偏微分方程方面的新研究。

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新的神经网络方法解决高维偏微分方程问题 · 跟踪3个来源

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该集群包含多篇学术论文,详细介绍了数值分析和机器学习在求解偏微分方程方面的新研究。
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报道来源 [3]

  1. arXiv cs.AI TIER_1 English(EN) · Tianchi Yu, Ivan Oseledets ·

    光谱信息神经网络在高维偏微分方程中优于谱方法

    arXiv:2607.13566v1 Announce Type: cross Abstract: For low-dimensional problems ($d\leq3$), spectral methods can achieve exceptionally high accuracy. For middle-dimensional problems ($4 \leq d \lesssim 10$), spectral methods remain feasible through specific techniques such as spar…

  2. arXiv cs.AI TIER_1 English(EN) · Ivan Oseledets ·

    光谱信息神经网络在高维偏微分方程中优于谱方法

    For low-dimensional problems ($d\leq3$), spectral methods can achieve exceptionally high accuracy. For middle-dimensional problems ($4 \leq d \lesssim 10$), spectral methods remain feasible through specific techniques such as sparse grids or hyperbolic cross. However, for high-di…

  3. arXiv cs.AI TIER_1 English(EN) · Noam Koren, Rafael Moschopoulos, Kira Radinsky, Elad Hazan ·

    SFO:通过谱滤波学习PDE算子

    arXiv:2601.17090v2 Announce Type: replace-cross Abstract: Partial differential equations (PDEs) govern complex systems, yet neural operators often struggle to efficiently capture the long-range, nonlocal interactions inherent in their solution maps. We introduce Spectral Filterin…