Mulberry: Empowering MLLM with o1-like Reasoning and Reflection via Collective Monte Carlo Tree Search - Yao, Huanjin; Huang, Jiaxing; Wu, Wenhao; Zhang, Jingyi; Wang, Yibo; Liu, Shunyu; Wang, Yingjie; Song, YuXin; Feng, Haocheng; Shen, Li; Tao, Dacheng (Advances in Neural Information Processing Systems, 2025)