@article{abayesiangraphicalapproachforlargescale,
  title = {A Bayesian Graphical Approach for Large-Scale Portfolio Management with Fewer Historical Data},
  author = {Sakae Oya},
  year = {2021},
  eprint = {2103.05880},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2103.05880v4},
}