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cs.LG2026
Beyond State-Wise Mirror Descent: Offline Policy Optimization with Parametric Policies
Xiang Li, Yuheng Zhang, Nan Jiang
We investigate the theoretical aspects of offline reinforcement learning (RL) under general function approximation. While prior works (e.g., Xie et al., 2021) have established the…
cs.LG2025
T-POP: Test-Time Personalization with Online Preference Feedback
Zikun Qu, Min Zhang, Mingze Kong +7
Personalizing large language models (LLMs) to individual user preferences is a critical step beyond generating generically helpful responses. However, current personalization metho…