Mem4Nav: Boosting Vision-and-Language Navigation in Urban Environments with a Hierarchical Spatial-Cognition Long-Short Memory System. - Lixuan He; Haoyu Dong; Zhenxing Chen; Yangcheng Yu; Jie Feng; Yong Li (CoRR, 2025)

AMFT: Aligning LLM Reasoners by Meta-Learning the Optimal Imitation-Exploration Balance. - Lixuan He; Jie Feng; Yong Li (CoRR, 2025)