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The lottery ticket hypothesis suggests that sparse, sub-networks of a given neural network, if initialized properly, can be trained to reach comparable or even better performance to that of the original network. Prior works in lottery…

Machine Learning · Computer Science 2021-02-01 Neha Mukund Kalibhat , Yogesh Balaji , Soheil Feizi

The lottery ticket hypothesis posits that dense networks contain sparse subnetworks, ``winning tickets,'' that, when rewound to their initial weights and retrained in isolation, match the performance of the full model. We ask a more…

Machine Learning · Computer Science 2026-05-19 Alon Bebchuk , Nir Shavit

The observation of sparse trainable sub-networks within over-parametrized networks - also known as Lottery Tickets (LTs) - has prompted inquiries around their trainability, scaling, uniqueness, and generalization properties. Across 28…

Machine Learning · Computer Science 2020-07-09 Michela Paganini , Jessica Zosa Forde

The Lottery Ticket Hypothesis (LTH) suggests there exists a sparse LTH mask and weights that achieve the same generalization performance as the dense model while using significantly fewer parameters. However, finding a LTH solution is…

Machine Learning · Computer Science 2025-08-18 Mohammed Adnan , Rohan Jain , Ekansh Sharma , Rahul G. Krishnan , Yani Ioannou

The existence of "lottery tickets" arXiv:1803.03635 at or near initialization raises the tantalizing question of whether large models are necessary in deep learning, or whether sparse networks can be quickly identified and trained without…

Machine Learning · Statistics 2024-07-26 Tanishq Kumar , Kevin Luo , Mark Sellke

The lottery ticket hypothesis conjectures the existence of sparse subnetworks of large randomly initialized deep neural networks that can be successfully trained in isolation. Recent work has experimentally observed that some of these…

Machine Learning · Computer Science 2022-03-17 Rebekka Burkholz , Nilanjana Laha , Rajarshi Mukherjee , Alkis Gotovos

Random masks define surprisingly effective sparse neural network models, as has been shown empirically. The resulting sparse networks can often compete with dense architectures and state-of-the-art lottery ticket pruning algorithms, even…

Machine Learning · Computer Science 2023-06-01 Advait Gadhikar , Sohom Mukherjee , Rebekka Burkholz

The Lottery Ticket Hypothesis (LTH) states that for a reasonably sized neural network, a sub-network within the same network yields no less performance than the dense counterpart when trained from the same initialization. This work…

Machine Learning · Computer Science 2022-06-17 Surya Kant Sahu , Sai Mitheran , Somya Suhans Mahapatra

Lottery tickets (LTs) is able to discover accurate and sparse subnetworks that could be trained in isolation to match the performance of dense networks. Ensemble, in parallel, is one of the oldest time-proven tricks in machine learning to…

Machine Learning · Computer Science 2023-04-05 Lu Yin , Shiwei Liu , Meng Fang , Tianjin Huang , Vlado Menkovski , Mykola Pechenizkiy

The conventional lottery ticket hypothesis (LTH) claims that there exists a sparse subnetwork within a dense neural network and a proper random initialization method called the winning ticket, such that it can be trained from scratch to…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Xuan Shen , Zhenglun Kong , Minghai Qin , Peiyan Dong , Geng Yuan , Xin Meng , Hao Tang , Xiaolong Ma , Yanzhi Wang

The Lottery Ticket Hypothesis (LTH) showed that by iteratively training a model, removing connections with the lowest global weight magnitude and rewinding the remaining connections, sparse networks can be extracted. This global comparison…

Computer Vision and Pattern Recognition · Computer Science 2023-02-23 Benjamin Vandersmissen , Jose Oramas

Over-parameterized neural networks incur prohibitive memory and computational costs for resource-constrained deployment. The Strong Lottery Ticket (SLT) hypothesis suggests that randomly initialized networks contain sparse subnetworks…

Machine Learning · Computer Science 2026-03-11 Itamar Tsayag , Ofir Lindenbaum

We introduce a generalization to the lottery ticket hypothesis in which the notion of "sparsity" is relaxed by choosing an arbitrary basis in the space of parameters. We present evidence that the original results reported for the canonical…

Machine Learning · Computer Science 2021-07-27 Ibrahim Alabdulmohsin , Larisa Markeeva , Daniel Keysers , Ilya Tolstikhin

Considerable research efforts have recently been made to show that a random neural network $N$ contains subnetworks capable of accurately approximating any given neural network that is sufficiently smaller than $N$, without any training.…

Although sparse neural networks have been studied extensively, the focus has been primarily on accuracy. In this work, we focus instead on network structure, and analyze three popular algorithms. We first measure performance when structure…

Machine Learning · Computer Science 2020-12-02 Maxwell Van Gelder , Mitchell Wortsman , Kiana Ehsani

Quantization is an essential technique for making neural networks more efficient, yet our theoretical understanding of it remains limited. Previous works demonstrated that extremely low-precision networks, such as binary networks, can be…

Machine Learning · Computer Science 2025-08-18 Aakash Kumar , Emanuele Natale

Yes. In this paper, we investigate strong lottery tickets in generative models, the subnetworks that achieve good generative performance without any weight update. Neural network pruning is considered the main cornerstone of model…

Computer Vision and Pattern Recognition · Computer Science 2022-12-19 Sangyeop Yeo , Yoojin Jang , Jy-yong Sohn , Dongyoon Han , Jaejun Yoo

In pruning, the Lottery Ticket Hypothesis posits that large networks contain sparse subnetworks, or winning tickets, that can be trained in isolation to match the performance of their dense counterparts. However, most existing approaches…

Artificial Intelligence · Computer Science 2026-01-30 Grzegorz Stefanski , Alberto Presta , Michal Byra

Graph learning methods help utilize implicit relationships among data items, thereby reducing training label requirements and improving task performance. However, determining the optimal graph structure for a particular learning task…

Machine Learning · Computer Science 2023-12-11 Anton Tsitsulin , Bryan Perozzi

Randomly initialized dense networks contain subnetworks that achieve high accuracy without weight learning--strong lottery tickets (SLTs). Recently, Gadhikar et al. (2023) demonstrated that SLTs could also be found within a randomly pruned…