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The lottery ticket hypothesis proposes that over-parameterization of deep neural networks (DNNs) aids training by increasing the probability of a "lucky" sub-network initialization being present rather than by helping the optimization…

Machine Learning · Statistics 2020-02-27 Haonan Yu , Sergey Edunov , Yuandong Tian , Ari S. Morcos

The Lottery Ticket Hypothesis demonstrated that sparse subnetworks can match full-model performance, suggesting parameter redundancy. Meanwhile, in Reinforcement Learning with Verifiable Rewards (RLVR), recent work has shown that updates…

Machine Learning · Computer Science 2026-02-03 Israel Adewuyi , Solomon Okibe , Vladmir Ivanov

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

Lottery Ticket Hypothesis (LTH) suggests that a dense neural network contains a sparse sub-network that can match the performance of the original dense network when trained in isolation from scratch. Most works retrain the sparse…

Machine Learning · Computer Science 2021-10-12 Ajay Kumar Jaiswal , Haoyu Ma , Tianlong Chen , Ying Ding , Zhangyang Wang

Building modern deep learning systems that are not just effective but also efficient requires rethinking established paradigms for model training and neural architecture design. Instead of adapting highly overparameterized networks and…

Machine Learning · Computer Science 2025-08-13 Julian Schönberger , Maximilian Zorn , Jonas Nüßlein , Thomas Gabor , Philipp Altmann

The Strong Lottery Ticket Hypothesis (SLTH) states that randomly-initialised neural networks likely contain subnetworks that perform well without any training. Although unstructured pruning has been extensively studied in this context, its…

Machine Learning · Computer Science 2026-03-11 Arthur da Cunha , Francesco d'Amore , Emanuele Natale

The Strong Lottery Ticket Hypothesis (SLTH) stipulates the existence of a subnetwork within a sufficiently overparameterized (dense) neural network that -- when initialized randomly and without any training -- achieves the accuracy of a…

Machine Learning · Computer Science 2023-02-17 Damien Ferbach , Christos Tsirigotis , Gauthier Gidel , Avishek , Bose

The lottery ticket hypothesis (Frankle and Carbin, 2018), states that a randomly-initialized network contains a small subnetwork such that, when trained in isolation, can compete with the performance of the original network. We prove an…

Machine Learning · Computer Science 2020-02-04 Eran Malach , Gilad Yehudai , Shai Shalev-Shwartz , Ohad Shamir

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.…

The design of sparse neural networks, i.e., of networks with a reduced number of parameters, has been attracting increasing research attention in the last few years. The use of sparse models may significantly reduce the computational and…

Machine Learning · Computer Science 2025-01-22 Giulia Fracastoro , Sophie M. Fosson , Andrea Migliorati , Giuseppe C. Calafiore

Despite the success of diffusion models, the training and inference of diffusion models are notoriously expensive due to the long chain of the reverse process. In parallel, the Lottery Ticket Hypothesis (LTH) claims that there exists…

Machine Learning · Computer Science 2023-10-31 Chao Jiang , Bo Hui , Bohan Liu , Da Yan

Pruning methods can considerably reduce the size of artificial neural networks without harming their performance. In some cases, they can even uncover sub-networks that, when trained in isolation, match or surpass the test accuracy of their…

Machine Learning · Computer Science 2021-05-17 Franco Pellegrini , Giulio Biroli

Deploying energy-efficient deep learning algorithms on computational-limited devices, such as robots, is still a pressing issue for real-world applications. Spiking Neural Networks (SNNs), a novel brain-inspired algorithm, offer a promising…

Neural and Evolutionary Computing · Computer Science 2024-09-23 Hao Cheng , Jiahang Cao , Erjia Xiao , Mengshu Sun , Renjing Xu

Recent work on the Lottery Ticket Hypothesis (LTH) shows that there exist ``\textit{winning tickets}'' in large neural networks. These tickets represent ``sparse'' versions of the full model that can be trained independently to achieve…

Machine Learning · Computer Science 2022-10-31 Qihan Wang , Chen Dun , Fangshuo Liao , Chris Jermaine , Anastasios Kyrillidis

The lottery ticket hypothesis states that sparse subnetworks exist in randomly initialized dense networks that can be trained to the same accuracy as the dense network they reside in. However, the subsequent work has failed to replicate…

Machine Learning · Computer Science 2021-06-15 Jaron Maene , Mingxiao Li , Marie-Francine Moens

The search for efficient, sparse deep neural network models is most prominently performed by pruning: training a dense, overparameterized network and removing parameters, usually via following a manually-crafted heuristic. Additionally, the…

Machine Learning · Computer Science 2021-01-12 Pedro Savarese , Hugo Silva , Michael Maire

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 asserts the existence of highly sparse, trainable subnetworks ('winning tickets') within dense, randomly initialized neural networks. However, state-of-the-art methods of drawing these tickets, like Lottery…

Machine Learning · Computer Science 2025-12-09 Tanay Arora , Christof Teuscher

The Lottery Ticket Hypothesis suggests large, over-parameterized neural networks consist of small, sparse subnetworks that can be trained in isolation to reach a similar (or better) test accuracy. However, the initialization and…

Computation and Language · Computer Science 2019-10-29 Shrey Desai , Hongyuan Zhan , Ahmed Aly

The Lottery Ticket Hypothesis (LTH) suggests that over-parameterized neural networks contain sparse subnetworks ("winning tickets") capable of matching full model performance when trained from scratch. With the growing reliance on…

Machine Learning · Computer Science 2025-12-30 Hamed Damirchi , Cristian Rodriguez-Opazo , Ehsan Abbasnejad , Zhen Zhang , Javen Shi