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Recent works show an intriguing phenomenon of Frequency Principle (F-Principle) that deep neural networks (DNNs) fit the target function from low to high frequency during the training, which provides insight into the training and…

机器学习 · 计算机科学 2020-10-19 Tao Luo , Zheng Ma , Zhi-Qin John Xu , Yaoyu Zhang

Learning in deep neural networks (DNNs) is implemented through minimizing a highly non-convex loss function, typically by a stochastic gradient descent (SGD) method. This learning process can effectively find good wide minima without being…

机器学习 · 计算机科学 2021-07-27 Guozhang Chen , Cheng Kevin Qu , Pulin Gong

Next-gen networks require significant evolution of management to enable automation and adaptively adjust network configuration based on traffic dynamics. The advent of software-defined networking (SDN) and programmable switches enables…

网络与互联网体系结构 · 计算机科学 2024-02-08 Akshita Abrol , Purnima Murali Mohan , Tram Truong-Huu

Transformer-based models have demonstrated exceptional performance across diverse domains, becoming the state-of-the-art solution for addressing sequential machine learning problems. Even though we have a general understanding of the…

无序系统与神经网络 · 物理学 2024-06-12 Ángel Poc-López , Miguel Aguilera

Recent progress in research on Deep Graph Networks (DGNs) has led to a maturation of the domain of learning on graphs. Despite the growth of this research field, there are still important challenges that are yet unsolved. Specifically,…

机器学习 · 计算机科学 2024-04-10 Alessio Gravina , Davide Bacciu

Understanding deep neural networks (DNNs) is a key challenge in the theory of machine learning, with potential applications to the many fields where DNNs have been successfully used. This article presents a scaling limit for a DNN being…

统计理论 · 数学 2019-06-04 Dyego Araújo , Roberto I. Oliveira , Daniel Yukimura

Deep learning (DL) has achieved great success in many applications, but it has been less well analyzed from the theoretical perspective. The unexplainable success of black-box DL models has raised questions among scientists and promoted the…

机器人学 · 计算机科学 2023-08-25 Huu-Thiet Nguyen , Chien Chern Cheah , Kar-Ann Toh

The fast and accurate prediction of unsteady flow becomes a serious challenge in fluid dynamics, due to the high-dimensional and nonlinear characteristics. A novel hybrid deep neural network (DNN) architecture was designed to capture the…

流体动力学 · 物理学 2020-01-08 Renkun Han , Yixing Wang , Yang Zhang , Gang Chen

We theoretically discuss why deep neural networks (DNNs) performs better than other models in some cases by investigating statistical properties of DNNs for non-smooth functions. While DNNs have empirically shown higher performance than…

机器学习 · 统计学 2018-07-10 Masaaki Imaizumi , Kenji Fukumizu

Deep neural networks trained using gradient descent with a fixed learning rate $\eta$ often operate in the regime of "edge of stability" (EOS), where the largest eigenvalue of the Hessian equilibrates about the stability threshold $2/\eta$.…

机器学习 · 统计学 2025-03-03 Avrajit Ghosh , Soo Min Kwon , Rongrong Wang , Saiprasad Ravishankar , Qing Qu

We propose a novel framework for learning a low-dimensional representation of data based on nonlinear dynamical systems, which we call dynamical dimension reduction (DDR). In the DDR model, each point is evolved via a nonlinear flow towards…

机器学习 · 统计学 2022-04-19 Ryeongkyung Yoon , Braxton Osting

We theoretically characterize gradient descent dynamics in deep linear networks trained at large width from random initialization and on large quantities of random data. Our theory captures the ``wider is better" effect of…

机器学习 · 计算机科学 2025-06-17 Blake Bordelon , Cengiz Pehlevan

We provide a theoretical analysis for end-to-end training Discrete Flow Matching (DFM) generative models. DFM is a promising discrete generative modeling framework that learns the underlying generative dynamics by training a neural network…

机器学习 · 计算机科学 2025-09-29 Maojiang Su , Mingcheng Lu , Jerry Yao-Chieh Hu , Shang Wu , Zhao Song , Alex Reneau , Han Liu

Modelling the behaviour of highly nonlinear dynamical systems with robust uncertainty quantification is a challenging task which typically requires approaches specifically designed to address the problem at hand. We introduce a…

机器学习 · 统计学 2024-01-25 Thomas Baldwin-McDonald , Mauricio A. Álvarez

We derive the system of differential equations for the gradient flow characterizing the training process of linear in-context learning in full generality. Next, we explore the geometric structure of the gradient flows in two instances,…

动力系统 · 数学 2024-12-24 Songtao Lu , Yingdong Lu , Tomasz Nowicki

The feasibility of deep neural networks (DNNs) to address data stream problems still requires intensive study because of the static and offline nature of conventional deep learning approaches. A deep continual learning algorithm, namely…

机器学习 · 计算机科学 2020-01-10 Andri Ashfahani , Mahardhika Pratama

We use geometric invariant theory (GIT) to study the deep linear network (DLN). The Kempf-Ness theorem is used to establish that the $L^2$ regularizer is minimized on the balanced manifold. We introduce related balancing flows using the…

机器学习 · 计算机科学 2026-03-24 Kathryn Lindsey , Govind Menon

Networked dynamic systems are ubiquitous in various domains, such as industrial processes, social networks, and biological systems. These systems produce high-dimensional data that reflect the complex interactions among the network nodes…

系统与控制 · 电气工程与系统科学 2023-10-02 Jiaxin Yu , Yanfang Mo , S. Joe Qin

In the past decade, significant strides in deep learning have led to numerous groundbreaking applications. Despite these advancements, the understanding of the high generalizability of deep learning, especially in such an over-parametrized…

无序系统与神经网络 · 物理学 2024-09-17 Hao Liao , Wei Zhang , Zhanyi Huang , Zexiao Long , Mingyang Zhou , Xiaoqun Wu , Rui Mao , Chi Ho Yeung

Deep neural networks (DNNs) usually contain massive parameters, but there is redundancy such that it is guessed that the DNNs could be trained in low-dimensional subspaces. In this paper, we propose a Dynamic Linear Dimensionality Reduction…

机器学习 · 计算机科学 2021-08-17 Tao Li , Lei Tan , Qinghua Tao , Yipeng Liu , Xiaolin Huang