Addressing graph heterogeneity and heterophily from a spectral perspective. - Kangkang Lu 002; Yanhua Yu; Ruopei Guo; Nan Cheng; Zhiyong Huang 010; Yunshan Ma 002; Meiyu Liang; Yuling Wang; Xiting Qin; Yimeng Ren 001; Tat-Seng Chua (Neurocomputing, 2026)

Hierarchical Reinforcement Learning with Augmented Step-Level Transitions for LLM Agents. - Shuai Zhen; Yanhua Yu; Ruopei Guo; Nan Cheng; Yang Deng 002 (CoRR, 2026)