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Related papers: Pileup mitigation at the Large Hadron Collider wit…

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The High-Luminosity LHC (HL-LHC) will reach luminosities up to 7 times higher than the previous run, yielding denser events and larger occupancies. Next generation trigger algorithms must retain reliable selection within a strict latency…

High Energy Physics - Experiment · Physics 2025-10-01 Martino Errico , Davide Fiacco , Stefano Giagu , Giuliano Gustavino , Valerio Ippolito , Graziella Russo

Event classifiers are the most fundamental observables to probe the event topology of hadronic and nuclear collisions at relativistic energies. Over the last five decades, significant progress has been made to establish suitable event…

High Energy Physics - Phenomenology · Physics 2026-04-21 Suraj Prasad , Sushanta Tripathy , Bhagyarathi Sahoo , Raghunath Sahoo

Deep networks are well-known to be fragile to adversarial attacks. We conduct an empirical analysis of deep representations under the state-of-the-art attack method called PGD, and find that the attack causes the internal representation to…

Machine Learning · Computer Science 2019-10-29 Chengzhi Mao , Ziyuan Zhong , Junfeng Yang , Carl Vondrick , Baishakhi Ray

When neural networks are trained to classify a dataset, one finds a set of weights from which the network produces a label for each data point. We study the algorithmic complexity of finding a collision in a single-layer neural net, where a…

While Mixed-integer linear programming (MILP) is NP-hard in general, practical MILP has received roughly 100--fold speedup in the past twenty years. Still, many classes of MILPs quickly become unsolvable as their sizes increase, motivating…

Machine Learning · Computer Science 2023-05-29 Ziang Chen , Jialin Liu , Xinshang Wang , Jianfeng Lu , Wotao Yin

We discuss recent results on pile-up based on a data-driven jet-mixing method. We illustrate prospects for experimental searches and precision studies in high pile-up regimes at high-luminosity hadron colliders, showing how the jet mixing…

High Energy Physics - Phenomenology · Physics 2015-12-31 F. Hautmann

The Clique Interdiction Problem (CIP) aims to minimize the size of the largest clique in a given graph by removing a given number of vertices. The CIP models a special Stackelberg game and has important applications in fields such as…

Data Structures and Algorithms · Computer Science 2025-05-21 Chenghao Zhu , Yi Zhou , Haoyu Jiang

We propose a novel strategy for disentangling proton collisions at hadron colliders such as the LHC that considerably improves over the current state of the art. Employing a metric inspired by optimal transport problems as the cost function…

High Energy Physics - Phenomenology · Physics 2023-11-07 Loukas Gouskos , Fabio Iemmi , Sascha Liechti , Benedikt Maier , Vinicius Mikuni , Huilin Qu

Supervised artificial neural networks with the rapidity-mass matrix (RMM) inputs were studied using several Monte Carlo event samples for various pp collision processes. The study shows the usability of this approach for general event…

High Energy Physics - Phenomenology · Physics 2021-01-27 S. V. Chekanov

Graph Neural Networks have emerged as an effective machine learning tool for multi-disciplinary tasks such as pharmaceutical molecule classification and chemical reaction prediction, because they can model non-euclidean relationships…

Machine Learning · Computer Science 2023-07-27 Tongya Zheng , Tianli Zhang , Qingzheng Guan , Wenjie Huang , Zunlei Feng , Mingli Song , Chun Chen

Heterogeneous graph neural networks (HGNNs) have demonstrated their superiority in exploiting auxiliary information for recommendation tasks. However, graphs constructed using meta-paths in HGNNs are usually too dense and contain a large…

Information Retrieval · Computer Science 2025-06-02 Lei Sang , Yu Wang , Yiwen Zhang

With the continuous trend of data explosion, delivering packets from data servers to end users causes increased stress on both the fronthaul and backhaul traffic of mobile networks. To mitigate this problem, caching popular content closer…

Networking and Internet Architecture · Computer Science 2023-11-15 Yantong Wang , Ye Hu , Zhaohui Yang , Walid Saad , Kai-Kit Wong , Vasilis Friderikos

Aligning two partially-overlapped 3D line reconstructions in Euclidean space is challenging, as we need to simultaneously solve correspondences and relative pose between line reconstructions. This paper proposes a neural network based…

Computer Vision and Pattern Recognition · Computer Science 2020-12-03 Liu Liu , Hongdong Li , Haodong Yao , Ruyi Zha

Due to a high rate of overall data generation relative to data generation of interest, the CMS experiment at the Large Hadron Collider uses a combination of hardware- and software-based triggers to select data for capture. Accurate momentum…

Data Analysis, Statistics and Probability · Physics 2026-03-10 Vishak K Bhat , Eric A. F. Reinhardt , Sergei Gleyzer

In recent years, Graph Neural Networks (GNNs) have been utilized for various applications ranging from drug discovery to network design and social networks. In many applications, it is impossible to observe some properties of the graph…

Machine Learning · Computer Science 2025-03-12 Moshe Eliasof , Md Shahriar Rahim Siddiqui , Carola-Bibiane Schönlieb , Eldad Haber

Graph Neural Networks (GNNs) have demonstrated impressive performance across diverse graph-based tasks by leveraging message passing to capture complex node relationships. However, on large-scale real-world graphs, GNNs face two major…

Machine Learning · Computer Science 2026-03-10 Xiang Li , Jianpeng Qi , Haobing Liu , Yuan Cao , Guoqing Chao , Zhongying Zhao , Junyu Dong , Xinwang Liu , Yanwei Yu

This study demonstrates a proof-of-concept application of a deep neural network for particle identification in simulated high transverse momentum proton-proton collisions, with a focus on evaluating model performance under controlled…

High Energy Physics - Experiment · Physics 2025-07-15 Omar M. Khalaf , Ahmed M. Hamed

Large scale nonlinear classification is a challenging task in the field of support vector machine. Online random Fourier feature map algorithms are very important methods for dealing with large scale nonlinear classification problems. The…

Signal Processing · Electrical Eng. & Systems 2022-03-17 Yigying Chen

A convolutional neural network-based classifier is elaborated to retrace the initial orientation of deformed nucleus-nucleus collisions by integrating multiple typical experimental observables. The isospin-dependent…

Nuclear Theory · Physics 2023-12-08 Zu-Xing Yang , Xiao-Hua Fan , Zhi-Pan Li , Shunji Nishimura

The staged commissioning of the Large Hadron Collider presents an opportunity to map gross features of particle production over a significant energy range. I suggest a visual tool - event displays in (pseudo)rapidity-transverse-momentum…

High Energy Physics - Phenomenology · Physics 2010-01-14 Chris Quigg
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