@article{bigportfolioselectionbygraphbased,
  title = {Big portfolio selection by graph-based conditional moments method},
  author = {Zhoufan Zhu and Ningning Zhang and Ke Zhu},
  year = {2023},
  eprint = {2301.11697},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2301.11697v1},
}