@article{predictivepropertiesofforecastcombinatio,
  title = {Equivariant online predictions of non-stationary time series},
  author = {Kōsaku Takanashi and Kenichiro McAlinn},
  year = {2019},
  eprint = {1911.08662},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1911.08662v5},
}