@article{bridgingthedetectiontoabstentiongapinrea, title = {Bridging the Detection-to-Abstention Gap in Reasoning Models under Insufficient Information}, author = {Renjie Gu and Jiaxu Li and Yihao Wang and Yun Yue and Hansong Xiao and Yefei Chen and Yuan Wang and Chunxiao Guo and Pei Wei and Jinjie Gu and Yixin Cao}, year = {2026}, eprint = {2605.28070}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2605.28070}, }