@article{probingthedifficultyperceptionmechanismo, title = {Probing the Difficulty Perception Mechanism of Large Language Models}, author = {Sunbowen Lee and Qingyu Yin and Chak Tou Leong and Jialiang Zhang and Yicheng Gong and Shiwen Ni and Min Yang and Xiaoyu Shen}, year = {2025}, eprint = {2510.05969}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2510.05969}, }