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cs.IT2026
Learning Rules, Memorizing Facts: An Information-Theoretic View of Hallucination
Gengze Xu, Anxin Guo, Yifei Hu +3
Understanding the relationship between generalization and hallucination requires clarifying the role of memorization. We study this relationship from an information-theoretic persp…
cs.CL2026
DeepSeek-V4.1-Flash: Pushing the Limits of KV Cache Compression
DeepSeek-AI, :, Anyi Xu +585
The widespread adoption of long-horizon agents has made model workloads increasingly input-heavy. Although prior work has substantially reduced the cost of long-context computation…
cs.LG2026
Beyond Penalization: Diffusion-based Out-of-Distribution Detection and Selective Regularization in Offline Reinforcement Learning
Qingjun Wang, Hongtu Zhou, Hang Yu +5
Offline reinforcement learning (RL) faces a critical challenge of overestimating the value of out-of-distribution (OOD) actions. Existing methods mitigate this issue by penalizing…