Prevalence of Neural Collapse during the terminal phase of deep learning training. - Vardan Papyan; X. Y. Han; David L. Donoho (CoRR, 2020)

Neural Collapse Under MSE Loss: Proximity to and Dynamics on the Central Path. - X. Y. Han; Vardan Papyan; David L. Donoho (ICLR, 2022)

Survey Descent: A Multipoint Generalization of Gradient Descent for Nonsmooth Optimization. - X. Y. Han; Adrian S. Lewis (SIAM J. Optim., 2023)