Context and Diversity Matter: The Emergence of In-Context Learning in World Models - Wang, Fan; CHEN, ZHIYUAN; ZHONG, YUXUAN; Zheng, Sunjian; Shao, Pengtao; Yu, Bo; Liu, Shaoshan; Wang, Jianan; Ding, Ning; Cao, Yang; Kang, Yu (International Conference on Learning Representations, 2026)