ThinkMorph: Emergent Properties in Multimodal Interleaved Chain-of-Thought Reasoning - Gu, Jiawei; Hao, Yunzhuo; Wang, Huichen; Li, Linjie; Shieh, Michael Qizhe; Choi, Yejin; Krishna, Ranjay; Cheng, Yu (International Conference on Learning Representations, 2026)