@inproceedings{zhou2022optimization, title={On the optimization landscape of neural collapse under mse loss: Global optimality with unconstrained features}, author={Zhou, Jinxin and Li, Xiao and Ding, Tianyu and You, Chong and Qu, Qing and Zhu, Zhihui}, booktitle={International Conference on Machine Learning}, pages={27179--27202}, year={2022}, organization={PMLR} }