@inproceedings{preconditioneronmatrixliegroupforsgd,
  title = {Preconditioner on Matrix Lie Group for SGD},
  author = {Xi-Lin Li},
  year = {2018},
  booktitle = {ICLR 2019 5},
  eprint = {1809.10232},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1809.10232v2},
}