@article{ontheflyvlaadaptationviatesttimereinforc, title = {On-the-Fly VLA Adaptation via Test-Time Reinforcement Learning}, author = {Changyu Liu and Yiyang Liu and Taowen Wang and Qiao Zhuang and James Chenhao Liang and Wenhao Yang and Renjing Xu and Qifan Wang and Dongfang Liu and Cheng Han}, year = {2026}, eprint = {2601.06748}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2601.06748}, }