@article{haghierarchicaldemographictreebasedagent,
  title = {HAG: Hierarchical Demographic Tree-based Agent Generation for Topic-Adaptive Simulation},
  author = {Rongxin Chen and Tianyu Wu and Bingbing Xu and Jiatang Luo and Xiucheng Xu and Huawei Shen},
  year = {2026},
  eprint = {2601.05656},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2601.05656},
}