Author

Jinwei Xiao

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Preprint Aug 2026

HyMem: Hierarchical Context Management for Long-Horizon Agents via Information Isolation

HyMem is a hierarchical framework that explicitly separates the agent's context into distinct functional layers to separate high-level planning from execution and complex analysis, allowing the model to maintain focus and accuracy across complex, long-horizon tasks.

Xinqi Wang, Jinwei Xiao, Sijia Cui et al. · 0 citations

Preprint Aug 2026

Distill Where You Fail: Recovering Learning Signals of Negative RL-Groups from Adaptive Teacher Guidance

RSTG (Recovering Learning Signals via Adaptive Teacher Guidance), which applies distillation selectively and precisely where it matters most, and substantially outperforms naive GRPO+OPD.

Zhuo-Wen Han, Jinwei Xiao, Zhengxi Lu et al. · 4 citations