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相关论文: A Neural PDE Solver with Temporal Stencil Modeling

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The rapid expansion of digital information and knowledge across structured and unstructured sources has heightened the importance of Information Retrieval (IR). While dense retrieval methods have substantially improved semantic matching for…

信息检索 · 计算机科学 2025-07-10 SeungYoon Han , Taeho Hwang , Sukmin Cho , Soyeong Jeong , Hoyun Song , Huije Lee , Jong C. Park

Partial differential equations (PDEs) underpin the modeling of many natural and engineered systems. It can be convenient to express such models as neural PDEs rather than using traditional numerical PDE solvers by replacing part or all of…

机器学习 · 计算机科学 2025-09-26 Sanket Jantre , Deepak Akhare , Zhiyuan Wang , Xiaoning Qian , Nathan M. Urban

Stable, accurate, divergence-free simulation of magnetized supersonic turbulence is a severe test of numerical MHD schemes and has been surprisingly difficult to achieve due to the range of flow conditions present. Here we present a new,…

星系天体物理 · 物理学 2012-02-20 Sergey D. Ustyugov , Mikhail V. Popov , Alexei G. Kritsuk , Michael L. Norman

Stencil kernels dominate a range of scientific applications, including seismic and medical imaging, image processing, and neural networks. Temporal blocking is a performance optimization that aims to reduce the required memory bandwidth of…

分布式、并行与集群计算 · 计算机科学 2021-02-26 George Bisbas , Fabio Luporini , Mathias Louboutin , Rhodri Nelson , Gerard Gorman , Paul H. J. Kelly

Solving partial differential equations (PDEs) by numerical methods meet computational cost challenge for getting the accurate solution since fine grids and small time steps are required. Machine learning can accelerate this process, but…

数值分析 · 数学 2025-01-28 Qi Wang , Yuan Mi , Haoyun Wang , Yi Zhang , Ruizhi Chengze , Hongsheng Liu , Ji-Rong Wen , Hao Sun

Solving high-dimensional partial differential equations (PDEs) is a critical challenge where modern data-driven solvers often lack reliability and rigorous error guarantees. We introduce Simulation-Calibrated Scientific Machine Learning…

数值分析 · 数学 2025-12-25 Zexi Fan , Yan Sun , Shihao Yang , Yiping Lu

The explosive growth in video streaming requires video understanding at high accuracy and low computation cost. Conventional 2D CNNs are computationally cheap but cannot capture temporal relationships; 3D CNN-based methods can achieve good…

计算机视觉与模式识别 · 计算机科学 2021-09-28 Ji Lin , Chuang Gan , Kuan Wang , Song Han

This work presents a physics-informed deep learning-based super-resolution framework to enhance the spatio-temporal resolution of the solution of time-dependent partial differential equations (PDE). Prior works on deep learning-based…

机器学习 · 计算机科学 2022-12-09 Rajat Arora , Ankit Shrivastava

Deep neural networks (DNNs), especially physics-informed neural networks (PINNs), have recently become a new popular method for solving forward and inverse problems governed by partial differential equations (PDEs). However, these methods…

机器学习 · 计算机科学 2023-10-26 Wenbo Cao , Weiwei Zhang

Deep learning paradigms, such as PINNs and neural operators, have significantly advanced the solving of PDEs. However, they often struggle to capture the continuous integral nature of physical systems, relying either on pointwise residuals…

机器学习 · 计算机科学 2026-05-12 Hanru Bai , Yuncheng Zhou , Difan Zou

Partial differential equations (PDEs) play a crucial role in studying a vast number of problems in science and engineering. Numerically solving nonlinear and/or high-dimensional PDEs is often a challenging task. Inspired by the traditional…

数值分析 · 数学 2022-01-11 Yihao Hu , Tong Zhao , Shixin Xu , Zhiliang Xu , Lizhen Lin

Accurate modeling of spatiotemporal dynamics is crucial to understanding complex phenomena across science and engineering. However, this task faces a fundamental challenge when the governing equations are unknown and observational data are…

计算物理 · 物理学 2025-12-15 Rui Zhang , Han Wan , Yang Liu , Hao Sun

The explosive growth in video streaming gives rise to challenges on performing video understanding at high accuracy and low computation cost. Conventional 2D CNNs are computationally cheap but cannot capture temporal relationships; 3D CNN…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Ji Lin , Chuang Gan , Song Han

Neural operator models for solving partial differential equations (PDEs) often rely on global mixing mechanisms-such as spectral convolutions or attention-which tend to oversmooth sharp local dynamics and introduce high computational cost.…

机器学习 · 计算机科学 2025-10-01 Chun-Wun Cheng , Bin Dong , Carola-Bibiane Schönlieb , Angelica I Aviles-Rivero

Latent dynamics models have emerged as powerful tools for modeling and interpreting neural population activity. Recently, there has been a focus on incorporating simultaneously measured behaviour into these models to further disentangle…

神经元与认知 · 定量生物学 2021-10-29 Cole Hurwitz , Akash Srivastava , Kai Xu , Justin Jude , Matthew G. Perich , Lee E. Miller , Matthias H. Hennig

Memory enables Large Language Model (LLM) agents to perceive, store, and use information from past dialogues, which is essential for personalization. However, existing methods fail to properly model the temporal dimension of memory in two…

人工智能 · 计算机科学 2026-01-13 Miao Su , Yucan Guo , Zhongni Hou , Long Bai , Zixuan Li , Yufei Zhang , Guojun Yin , Wei Lin , Xiaolong Jin , Jiafeng Guo , Xueqi Cheng

Stochastic partial differential equations (SPDEs) are the mathematical tool of choice for modelling spatiotemporal PDE-dynamics under the influence of randomness. Based on the notion of mild solution of an SPDE, we introduce a novel neural…

机器学习 · 计算机科学 2022-09-27 Cristopher Salvi , Maud Lemercier , Andris Gerasimovics

Modeling stochastic and irregularly sampled time series is a challenging problem found in a wide range of applications, especially in medicine. Neural stochastic differential equations (Neural SDEs) are an attractive modeling technique for…

机器学习 · 计算机科学 2025-02-05 Xi Zhang , Yuan Pu , Yuki Kawamura , Andrew Loza , Yoshua Bengio , Dennis L. Shung , Alexander Tong

When neural circuits learn to perform a task, it is often the case that there are many sets of synaptic connections that are consistent with the task. However, only a small number of possible solutions are robust to noise in the input and…

神经元与认知 · 定量生物学 2022-05-31 Ran Rubin , Haim Sompolinsky

In this paper, an online multiscale model reduction method is presented for stochastic partial differential equations (SPDEs) with multiplicative noise, where the diffusion coefficient is spatially multiscale and the noise perturbation…

数值分析 · 数学 2022-04-26 Lijian Jiang , Mengnan Li , Meng Zhao
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