Lin, F., H. Xu, H. Li, H. Xiong, and G.-J. Qi. “Auto-Encoding Transformations in Reparameterized Lie Groups for Unsupervised Learning”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 35, no. 10, May 2021, pp. 8610-7, doi:10.1609/aaai.v35i10.17044.