ROVER: Benchmarking Reciprocal Cross-Modal Reasoning for Omnimodal Generation - Liang, Yongyuan; Chow, Wei; Li, Feng; Ma, Ziqiao; Wang, Xiyao; Mao, Jiageng; Chen, Jiuhai; Gu, Jiatao; Wang, Yue; Huang, Furong (International Conference on Learning Representations, 2026)