GlobeDiff: State Diffusion Process for Partial Observability in Multi-Agent System - Yang, Yiqin; Yang, Xu; Jiang, Yuhua; Mu, Ni; Hu, Hao; Xie, Runpeng; Zhang, Ziyou; Li, Siyuan; Ni, Yuan-Hua; Zhao, Qianchuan; XU, Bo (International Conference on Learning Representations, 2026)