Generalized Eluder Coefficient: A Unified Framework for Interactive Decision Making in Markov Decision Processes, Partially Observable Markov Decision Processes, and Beyond. - Zhong, Han; Xiong, Wei; Zheng, Sirui; Wang, Liwei; Wang, Zhaoran; Yang, Zhuoran; Zhang, Tong (Mathematics of Operations Research (INFORMS), 2026)