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Ruihang Wang

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#artificial intelligence Preprint Sep 2026

Beyond Scripted Search: Sample-Efficient Reward Discovery via Agentic Black-box Optimization

An Agentic Reward Black-box Optimization (ARBO) framework is proposed, in which an LLM agent builds the search strategy at run time from an evaluation history maintained as its persistent workspace, which comprises two components: observations maintained by the evaluation oracle and an agent-maintained belief that reco...

Ming-Hao Li, Rui Tan, Rui-Hang Wang · 0 citations
Jul 2026

Label-Free Finite-Volume-Residual Training of Attention Graph Neural Networks for Coupled Thermo-Fluid Fields

This work proposes to train an attention graph neural network by minimizing the finite-volume method (FVM) residuals of the governing equations to provide a practical training signal for neural surrogates and reduce the model development cost.

Tian-Yu Li, Zhi-Ying Cao, Qin-Gang Zhang et al. · 0 citations

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