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Scaling laws offer valuable insights into the relationship between neural network performance and computational cost, yet their underlying mechanisms remain poorly understood. In this work, we empirically analyze how neural networks behave…

机器学习 · 计算机科学 2025-07-08 Konstantin Nikolaou , Sven Krippendorf , Samuel Tovey , Christian Holm

The Neural Tangent Kernel (NTK) has emerged as a powerful tool to provide memorization, optimization and generalization guarantees in deep neural networks. A line of work has studied the NTK spectrum for two-layer and deep networks with at…

机器学习 · 统计学 2023-05-23 Simone Bombari , Mohammad Hossein Amani , Marco Mondelli

Deep learning based models are used regularly in every applications nowadays. Generally we train a single model on a single task. However, we can train multiple tasks on a single model under multi-task learning settings. This provides us…

机器学习 · 计算机科学 2023-03-14 Aminul Huq , Mst Tasnim Pervin

It is well understood that neural networks with carefully hand-picked weights provide powerful function approximation and that they can be successfully trained in over-parametrized regimes. Since over-parametrization ensures zero training…

机器学习 · 计算机科学 2024-05-21 G. Welper

A recent spate of state-of-the-art semi- and un-supervised solutions disentangle and encode image "content" into a spatial tensor and image appearance or "style" into a vector, to achieve good performance in spatially equivariant tasks…

计算机视觉与模式识别 · 计算机科学 2021-09-17 Xiao Liu , Spyridon Thermos , Gabriele Valvano , Agisilaos Chartsias , Alison O'Neil , Sotirios A. Tsaftaris

This work introduces the concept of tangent space regularization for neural-network models of dynamical systems. The tangent space to the dynamics function of many physical systems of interest in control applications exhibits useful…

机器学习 · 计算机科学 2018-06-27 Fredrik Bagge Carlson , Rolf Johansson , Anders Robertsson

Task arithmetic enables efficient model editing by representing task-specific changes as vectors in parameter space. Task arithmetic typically assumes that the source and target models are initialized from the same pre-trained parameters.…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Kazuhiko Kawamoto , Atsuhiro Endo , Hiroshi Kera

Efficient fine-tuning of pre-trained Text-to-Image (T2I) models involves adjusting the model to suit a particular task or dataset while minimizing computational resources and limiting the number of trainable parameters. However, it often…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Komal Kumar , Rao Muhammad Anwer , Fahad Shahbaz Khan , Salman Khan , Ivan Laptev , Hisham Cholakkal

One of the main arguments behind studying disentangled representations is the assumption that they can be easily reused in different tasks. At the same time finding a joint, adaptable representation of data is one of the key challenges in…

机器学习 · 计算机科学 2021-10-08 Łukasz Maziarka , Aleksandra Nowak , Maciej Wołczyk , Andrzej Bedychaj

Large language models (LLMs) have demonstrated impressive capabilities, yet their internal mechanisms for handling reasoning-intensive tasks remain underexplored. To advance the understanding of model-internal processing mechanisms, we…

计算与语言 · 计算机科学 2026-04-20 Tanja Baeumel , Josef van Genabith , Simon Ostermann

With the rise of neural networks in various domains, multi-task learning (MTL) gained significant relevance. A key challenge in MTL is balancing individual task losses during neural network training to improve performance and efficiency…

机器学习 · 计算机科学 2024-08-16 Lukas Kirchdorfer , Cathrin Elich , Simon Kutsche , Heiner Stuckenschmidt , Lukas Schott , Jan M. Köhler

Operator learning techniques have recently emerged as a powerful tool for learning maps between infinite-dimensional Banach spaces. Trained under appropriate constraints, they can also be effective in learning the solution operator of…

机器学习 · 计算机科学 2021-10-13 Sifan Wang , Hanwen Wang , Paris Perdikaris

Neural tangent kernels (NTKs) provide a theoretical regime to analyze the learning and generalization behavior of over-parametrized neural networks. For a supervised learning task, the association between the eigenvectors of the NTK kernel…

机器学习 · 计算机科学 2023-10-18 Shervin Khalafi , Saurabh Sihag , Alejandro Ribeiro

Large language models (LLMs) have achieved remarkable success in various tasks, such as decision-making, reasoning, and question answering. They have been widely used in edge devices. However, fine-tuning LLMs to specific tasks at the edge…

机器学习 · 计算机科学 2025-04-08 Senkang Hu , Yanan Ma , Yihang Tao , Zhengru Fang , Zihan Fang , Yiqin Deng , Sam Kwong , Yuguang Fang

The prevailing thinking is that orthogonal weights are crucial to enforcing dynamical isometry and speeding up training. The increase in learning speed that results from orthogonal initialization in linear networks has been well-proven.…

机器学习 · 计算机科学 2021-07-22 Wei Huang , Weitao Du , Richard Yi Da Xu

Parameter-efficient fine-tuning for continual learning (PEFT-CL) has shown promise in adapting pre-trained models to sequential tasks while mitigating catastrophic forgetting problem. However, understanding the mechanisms that dictate…

机器学习 · 计算机科学 2026-02-27 Jingren Liu , Zhong Ji , YunLong Yu , Jiale Cao , Yanwei Pang , Jungong Han , Xuelong Li

Modern AI agents such as large language models are trained on diverse tasks -- translation, code generation, mathematical reasoning, and text prediction -- simultaneously. A key question is how to quantify the influence of each individual…

机器学习 · 计算机科学 2026-05-12 Zhenshuo Zhang , Minxuan Duan , Hongyang R. Zhang

Deep learning models are often deployed in downstream tasks that the training procedure may not be aware of. For example, models solely trained to achieve accurate predictions may struggle to perform well on downstream tasks because…

机器学习 · 计算机科学 2024-09-27 Dishank Bansal , Ricky T. Q. Chen , Mustafa Mukadam , Brandon Amos

The in-context learning capabilities of modern language models have motivated a deeper mathematical understanding of sequence models. A line of recent work has shown that linear attention models can emulate projected gradient descent…

计算与语言 · 计算机科学 2025-03-06 Xiangyu Chang , Yingcong Li , Muti Kara , Samet Oymak , Amit K. Roy-Chowdhury

Test-time training (TTT) methods explicitly update the weights of a model to adapt to the specific test instance, and they have found success in a variety of settings, including most recently language modeling and reasoning. To demystify…