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This study presents novel predictive models using Graph Neural Networks (GNNs) for simulating thermal dynamics in Laser Powder Bed Fusion (L-PBF) processes. By developing and validating Single-Laser GNN (SL-GNN) and Multi-Laser GNN (ML-GNN)…

机器学习 · 计算机科学 2024-07-22 Riddhiman Raut , Amit Kumar Ball , Amrita Basak

The simulation of power system dynamics poses a computationally expensive task. Considering the growing uncertainty of generation and demand patterns, thousands of scenarios need to be continuously assessed to ensure the safety of power…

系统与控制 · 电气工程与系统科学 2023-11-13 Jochen Stiasny , Spyros Chatzivasileiadis

Implicit graph neural networks (IGNNs), which exhibit strong expressive power with a single layer, have recently demonstrated remarkable performance in capturing long-range dependencies (LRD) in underlying graphs while effectively…

机器学习 · 计算机科学 2025-02-19 Junchao Lin , Zenan Ling , Zhanbo Feng , Jingwen Xu , Minxuan Liao , Feng Zhou , Tianqi Hou , Zhenyu Liao , Robert C. Qiu

Lattice field theory (LFT) simulations underpin advances in classical statistical mechanics and quantum field theory, providing a unified computational framework across particle, nuclear, and condensed matter physics. However, the…

神经与进化计算 · 计算机科学 2025-09-17 Meng Xu , Jichang Yang , Ning Lin , Qundao Xu , Siqi Tang , Han Wang , Xiaojuan Qi , Zhongrui Wang , Ming Xu

In many real world applications, data are characterized by a complex structure, that can be naturally encoded as a graph. In the last years, the popularity of deep learning techniques has renewed the interest in neural models able to…

机器学习 · 计算机科学 2020-04-20 Matteo Tiezzi , Giuseppe Marra , Stefano Melacci , Marco Maggini , Marco Gori

The Graph Neural Network (GNN) has been widely used for graph data representation. However, the existing researches only consider the ideal balanced dataset, and the imbalanced dataset is rarely considered. Traditional methods such as…

机器学习 · 计算机科学 2022-05-10 S. Shi , Kai Qiao , Shuai Yang , L. Wang , J. Chen , Bin Yan

This study analyzes Graph Neural Networks (GNNs) for distribution system state estimation (DSSE) by employing an interpretable Graph Neural Additive Network (GNAN) and by utilizing an edge-conditioned message-passing mechanism. The…

系统与控制 · 电气工程与系统科学 2026-03-25 Arbel Yaniv , Kilian Golinski , Christoph Goebel

A nonlinear multigrid solver for two-phase flow and transport in a mixed fractional-flow velocity-pressure-saturation formulation is proposed. The solver, which is under the framework of the full approximation scheme (FAS), extends our…

Physics-informed neural networks (PINNs) have attracted considerable attention for their ability to integrate partial differential equation priors into deep learning frameworks; however, they often exhibit limited predictive accuracy when…

机器学习 · 计算机科学 2026-05-28 Ze Tao , Hanxuan Wang , Fujun Liu

Graph Neural Networks (GNNs) based on spectral filters, such as the Adaptive Orthogonal Polynomial Filter (AOPF) class (e.g., LaguerreNet), have shown promise in unifying the solutions for heterophily and over-smoothing. However, these…

信号处理 · 电气工程与系统科学 2025-11-19 Huseyin Goksu

Graph Neural Networks (GNNs) have emerged as powerful tools for various graph mining tasks, yet existing scalable solutions often struggle to balance execution efficiency with prediction accuracy. These difficulties stem from iterative…

机器学习 · 计算机科学 2026-04-02 Xu Cheng , Liang Yao , Feng He , Yukuo Cen , Yufei He , Chenhui Zhang , Wenzheng Feng , Hongyun Cai , Jie Tang

Presently with technology node scaling, an accurate prediction model at early design stages can significantly reduce the design cycle. Especially during logic synthesis, predicting cell congestion due to improper logic combination can…

机器学习 · 计算机科学 2021-11-12 Amur Ghose , Vincent Zhang , Yingxue Zhang , Dong Li , Wulong Liu , Mark Coates

Effective channel estimation CE is critical for optimizing the performance of 5G New Radio NR systems particularly in dynamic environments where traditional methods struggle with complexity and adaptability This paper introduces GraphNet a…

信号处理 · 电气工程与系统科学 2025-07-15 Sajedeh Norouzi , Mostafa Rahmani , Yi Chu , Torsten Braun , Kaushik Chowdhury , Alister Burr

We propose a fast method for solving compressed sensing, Lasso regression, and Logistic Lasso regression problems that iteratively runs an appropriate solver using an active set approach. We design a strategy to update the active set that…

机器学习 · 计算机科学 2024-02-06 Siu-Wing Cheng , Man Ting Wong

Randomized neural network (RaNN) methods have been proposed for solving various partial differential equations (PDEs), demonstrating high accuracy and efficiency. However, initializing the fixed parameters remains challenging. Additionally,…

数值分析 · 数学 2025-11-25 Haoning Dang , Fei Wang , Song Jiang

Millimeter-wave (mmWave) multiple-input multiple-output (MIMO) communication with the advanced beamforming technologies is a key enabler to meet the growing demands of future mobile communication. However, the dynamic nature of cellular…

Graph Neural Networks (GNNs) have emerged as the state-of-the-art graph learning method. However, achieving efficient GNN inference on edge devices poses significant challenges, limiting their application in real-world edge scenarios. This…

机器学习 · 计算机科学 2025-12-16 Ao Zhou , Jianlei Yang , Tong Qiao , Yingjie Qi , Zhi Yang , Weisheng Zhao , Chunming Hu

To maintain a reliable grid we need fast decision-making algorithms for complex problems like Dynamic Reconfiguration (DyR). DyR optimizes distribution grid switch settings in real-time to minimize grid losses and dispatches resources to…

机器学习 · 计算机科学 2024-04-04 Jules Authier , Rabab Haider , Anuradha Annaswamy , Florian Dorfler

We propose a novel {\it Equilibrated Recurrent Neural Network} (ERNN) to combat the issues of inaccuracy and instability in conventional RNNs. Drawing upon the concept of autapse in neuroscience, we propose augmenting an RNN with a…

机器学习 · 计算机科学 2019-03-05 Ziming Zhang , Anil Kag , Alan Sullivan , Venkatesh Saligrama

Unitary Synthesis, the decomposition of a unitary matrix into a sequence of quantum gates, is a fundamental challenge in quantum compilation. Prevailing reinforcement learning (RL) approaches are often hampered by sparse reward signals,…

量子物理 · 物理学 2026-03-05 Inhoe Koo , Hyunho Cha , Jungwoo Lee