@article{dagswithnocurlanefficientdagstructure,
  title = {DAGs with No Curl: An Efficient DAG Structure Learning Approach},
  author = {Yue Yu and Tian Gao and Naiyu Yin and Qiang Ji},
  year = {2021},
  eprint = {2106.07197},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2106.07197v1},
}