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This work proposes an algorithm for explicitly constructing a pair of neural networks that linearize and reconstruct an embedded submanifold, from finite samples of this manifold. Our such-generated neural networks, called Flattening…

Machine Learning · Computer Science 2023-09-11 Michael Psenka , Druv Pai , Vishal Raman , Shankar Sastry , Yi Ma

Deep learning, accounting for the use of an elaborate neural network, has recently been developed as an efficient and powerful tool to solve diverse problems in physics and other sciences. In the present work, we propose a novel learning…

Computational Physics · Physics 2021-11-02 Shurui Li , Jianqin Xu , Jing Qian , Weiping Zhang

Neural surrogates and operator networks for solving partial differential equation (PDE) problems have attracted significant research interest in recent years. However, most existing approaches are limited in their ability to generalize…

Machine Learning · Computer Science 2025-09-18 Varun Kumar , Jing Bi , Cyril Ngo Ngoc , Victor Oancea , George Em Karniadakis

Surrogate modeling has emerged as a powerful tool to accelerate Computational Fluid Dynamics (CFD) simulations. Existing 3D geometric learning models based on point clouds, voxels, meshes, or graphs depend on explicit geometric…

Fluid Dynamics · Physics 2025-05-26 Qian Chen , Mohamed Elrefaie , Angela Dai , Faez Ahmed

Neural operator learning directly constructs the mapping relationship from the equation parameter space to the solution space, enabling efficient direct inference in practical applications without the need for repeated solution of partial…

Machine Learning · Computer Science 2026-04-28 Heng Wu , Junjie Wang , Benzhuo Lu

This paper introduces BReG-NeXt, a residual-based network architecture using a function wtih bounded derivative instead of a simple shortcut path (a.k.a. identity mapping) in the residual units for automatic recognition of facial…

Computer Vision and Pattern Recognition · Computer Science 2020-04-22 Behzad Hasani , Pooran Singh Negi , Mohammad H. Mahoor

In this paper, we develop the Asymptotic-Preserving Neural Networks (APNNs) approach to study the forward and inverse problem for the semiconductor Boltzmann equation. The goal of the neural network is to resolve the computational…

Mathematical Physics · Physics 2024-07-24 Liu Liu , Yating Wang , Xueyu Zhu , Zhenyi Zhu

Deep neural networks have been one of the dominant machine learning approaches in recent years. Several new network structures are proposed and have better performance than the traditional feedforward neural network structure.…

Computer Vision and Pattern Recognition · Computer Science 2018-10-04 Huan Li , Yibo Yang , Dongmin Chen , Zhouchen Lin

We present a fast surrogate for the Equivalent Photon Approximation (EPA) flux in ultraperipheral collisions (UPCs), based on a Bayesian neural network (BNN) trained over analytical flux integrals with an iterative procedure focused on…

High Energy Physics - Phenomenology · Physics 2026-02-12 Simone Ragoni , Janet Seger

This study presents residual U-Net (U-ResNet), a deep learning surrogate model for predicting steady hemodynamic fields in two-dimensional asymmetric stenotic channels at Reynolds numbers ranging from 200 to 800. By integrating residual…

Fluid Dynamics · Physics 2025-08-12 Xintong Zou , Suiyang Tong , Wenhui Peng , Qiuxiang Huang , Jianchun Wang

We propose a BGK-type kinetic model for relativistic reactive gas mixtures. This model serves as a computationally tractable yet physically consistent alternative to the corresponding Boltzmann equation. The relaxation operator is…

Analysis of PDEs · Mathematics 2025-09-03 Seung-Yeon Cho , Byung-Hoon Hwang , Myeong-Su Lee , Seok-Bae Yun

In this paper, we present a novel neural architecture for channel estimation (CE) in 5G and beyond, the Recurrent Equivariant UERS Estimation Network (ReQuestNet). It incorporates several practical considerations in wireless communication…

Signal Processing · Electrical Eng. & Systems 2025-08-13 Kumar Pratik , Pouriya Sadeghi , Gabriele Cesa , Sanaz Barghi , Joseph B. Soriaga , Yuanning Yu , Supratik Bhattacharjee , Arash Behboodi

This paper presents an observer-integrated Reinforcement Learning (RL) approach, called Disturbance OBserver Network (DOB-Net), for robots operating in environments where disturbances are unknown and time-varying, and may frequently exceed…

Robotics · Computer Science 2020-01-30 Tianming Wang , Wenjie Lu , Zheng Yan , Dikai Liu

It is challenging to solve the Boltzmann equation accurately due to the extremely high dimensionality and nonlinearity. This paper addresses the idea and implementation of the first flux reconstruction method for high-order Boltzmann…

Computational Physics · Physics 2021-03-19 Tianbai Xiao

There is renewed interest in developing small modular reactors and micro-reactors. Innovation is necessary in both construction and operation methods of these reactors to be financially attractive. For operation, an area of interest is the…

Computational Physics · Physics 2020-07-14 Akshay J. Dave , Jarod Wilson , Kaichao Sun

We present a finite element-inspired hypergraph neural network framework for predicting flow-induced vibrations in freely oscillating cylinders. The surrogate architecture transforms unstructured computational meshes into node-element…

Fluid Dynamics · Physics 2025-07-04 Shayan Heydari , Rui Gao , Rajeev K Jaiman

We propose a hybrid reconstruction framework for dual-spectral CT (DSCT) that integrates iterative methods with deep learning models. The reconstruction process consists of two complementary components: a knowledge-driven module and a…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Ze Yuan , Wenbin Li , Shusen Zhao

Resonate-and-Fire (RF) neurons are an interesting complementary model for integrator neurons in spiking neural networks (SNNs). Due to their resonating membrane dynamics they can extract frequency patterns within the time domain. While…

Neural and Evolutionary Computing · Computer Science 2024-06-04 Saya Higuchi , Sander M. Bohte , Sebastian Otte

In our work, we bridge deep neural network design with numerical differential equations. We show that many effective networks, such as ResNet, PolyNet, FractalNet and RevNet, can be interpreted as different numerical discretizations of…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 Yiping Lu , Aoxiao Zhong , Quanzheng Li , Bin Dong

Despite advancements in artificial intelligence, object recognition models still lag behind in emulating visual information processing in human brains. Recent studies have highlighted the potential of using neural data to mimic brain…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Zitong Lu , Yile Wang , Julie D. Golomb
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