Not Search, But Scan: Benchmarking MLLMs on Scan-Oriented Academic Paper Reasoning - Li, Rongjin; Tang, Zichen; Wang, Xianghe; Hu, Xinyi; Wang, Zhengyu; Lu, Zhengyu; Huang, Yiling; Chen, Jiayuan; Tan, Weisheng; Liu, Jiacheng; Yang, Zhongjun; E, Haihong (International Conference on Learning Representations, 2026)