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Author

Wen-He Sun

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Belief-Trajectory Energy: Measuring the Path to a Prediction

Large language models (LLMs) progressively revise their predictions across Transformer layers, yet we typically observe only the final output, discarding the trajectory through which it is formed. We introduce Belief-Trajectory Energy(BTE), a model-grounded measure that characterizes an input through the layerwise pred...

Jia-Hao Ying, Wei Tang, Bo Ai et al. · 0 citations
#natural language process... Preprint Sep 2026

From Base Rollouts to RL Reasoning: A Budgeted Search Perspective

Results support a qualified internalized-search reading: under the recipe the authors test, much of the measured RL gain corresponds to a change in sampling efficiency toward operating points the base model can already reach under search.

Wen-He Sun, Cun-Xiang Wang, Zi-Jun Yao et al. · 0 citations

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