Wang, Xi, Quan Shi, Zenghui Ding, Jianqing Gao, and Xianjun Yang. “Hallucination As a Computational Boundary: A Hierarchy of Inevitability and the Oracle Escape”. Proceedings of the AAAI Conference on Artificial Intelligence 40, no. 40 (March 14, 2026): 33675–33682. Accessed May 25, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/40657.