@article{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}, journal={arXiv preprint arXiv:2203.01238}, year={2022} }