@article{collaborativemultiagenttesttimereinforce, title = {Collaborative Multi-Agent Test-Time Reinforcement Learning for Reasoning}, author = {Zhiyuan Hu and Yunhai Hu and Juncheng Liu and Shuyue Stella Li and Yucheng Wang and Zhen Xu and See-Kiong Ng and Anh Tuan Luu and Xinxing Xu and Bryan Hooi and Cynthia Breazeal and Hae Won Park}, year = {2026}, eprint = {2601.09667}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2601.09667}, }