@article{hierarchicalmultimodalplanningforfixedal,
  title = {Hierarchical Multi-Modal Planning for Fixed-Altitude Sparse Target Search and Sampling},
  author = {Lingpeng Chen and Yuchen Zheng and Apple Pui-Yi Chui and Junfeng Wu and Ziyang Hong},
  year = {2026},
  eprint = {2603.08336},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.08336},
}