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Author

Hongao Wang

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Preprint Aug 2026

Towards a theory of inference-time alignment with unknown rewards

This work introduces a novel combinatorial dimension of the reward class which is called the alignment dimension, and shows that it completely characterizes the alignment learnability --- a reward class is alignment learnable if and only if its alignment dimension is finite.

Steve Hanneke, Hongao Wang, Mingyue Xu · 0 citations
Conference Open access Sep 2026

Benchmarking and Enhancing Relational Diagrams Reasoning for Multimodal Large Language Models

RD-MCTS, a Monte Carlo Tree Search framework that incorporates diagram-derived structural priors, constraint-consistent state transitions, and inference-time step-level process rewards is proposed, aimed at improving constraint-consistent reasoning on high-difficulty questions.

Tianyu Hong, Peng Wang, Wenjun Ke et al. · 0 citations
Preprint Aug 2026

Optimal Learning Under Tsybakov Noise

This work improves the upper bound to match the best known lower bound, thus establishing the optimal error guarantee for learning under Tsybakov noise.

Steve Hanneke, Hongao Wang, Mingyue Xu · 0 citations

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