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Fengshuo Bai

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#artificial intelligence Preprint Sep 2026

ConvMem: Convolutional Memory for Long-Context Reasoning

ConvMem is a training-free, highly parallelizable framework that reformulates long-context reasoning as a hierarchical convolution, Inspired by CNNs, that outperforms training-free baselines and avoids the risk of overfitting to parametric priors often observed in RL-trained models on out-of-distribution tasks.

Hongming Zhang, Zhao-Zhen Gu, Fengshuo Bai et al. · 0 citations
2025

STAR: Efficient Preference-based Reinforcement Learning via Dual Regularization

STAR is proposed, an efficient PbRL method that integrates preference margin regularization and policy regularization that improves feedback efficiency and facilitates more robust reward and value function learning.

Fengshuo Bai, Rui Zhao, Hongming Zhang et al. · 5 citations

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