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Zhi-Hong Deng

Peking University

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#artificial intelligence Preprint May 2026

When Should LLMs Reason? Adaptive Inference Routing via Entropy Dynamics

The proposed EDRM (Entropy Dynamics-based Reasoning Manifold), a lightweight routing framework whose default heuristic requires no router training, supports selective reasoning based on early decoding signals and demonstrates the potential of entropy-based control for efficient LLM inference.

Wei Xia, Haoqing Wang, Zhi-Hong Deng et al. · 2 citations
#artificial intelligence Preprint Oct 2026

EMO: A Closed-Loop Test-Time Computation Framework via Alternating Context Optimization and Logits Steering

Test-time context optimization adapts frozen language models through textual feedback, but ordinary conditional generation provides no separate control over how strongly to reinforce the distributional changes induced by a context update. We introduce EMO, a training-free framework inspired by expectation--maximization...

Wei Xia, Ye-Hui Tang, Zhi-Hong Deng · 0 citations

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