V Likhosherstov, J Davis, K Choromanski, A Weller CWY Parametrization: a Solution for Parallelized
Optimization of Orthogonal and Stiefel Matrices. In: Proceedings of the 24th International
Appendix A
4
Conference on Artificial Intelligence and Statistics, PMLR, 2021
http://proceedings.mlr.press/v130/likhosherstov21a/likhosherstov21a.pdf