@article{hawkahierarchicalworkflowframeworkformul,
  title = {HAWK: A Hierarchical Workflow Framework for Multi-Agent Collaboration},
  author = {Yuyang Cheng and Yumiao Xu and Chaojia Yu and Yong Zhao},
  year = {2025},
  eprint = {2507.04067},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2507.04067},
}