@article{hihrhierarchicalhyperbolicrepresentation,
  title = {HiHR: Hierarchical Hyperbolic Representation for Aerial-Ground Person Re-Identification},
  author = {Qiwei Yang and Pingping Zhang},
  year = {2026},
  eprint = {2607.09186},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.09186},
}