@article{pabuprogressawarebeliefupdateforefficien,
  title = {PABU: Progress-Aware Belief Update for Efficient LLM Agents},
  author = {Haitao Jiang and Lin Ge and Hengrui Cai and Rui Song},
  year = {2026},
  eprint = {2602.09138},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2602.09138},
}