Author

Zhengyang Zhang

2 papers indexed here

We haven’t gathered this author’s papers yet. Follow them and we’ll fetch their work.

Not the right person? Other researchers publish under this name.

Preprint Aug 2026

Not Every Divergence Should Be Suppressed: Counterfactual Recoverability in On-Policy Distillation

Findings establish recoverability as an outcome-grounded decision variable for selective supervision in OPD and show that retaining teacher-correctable prefixes provides the largest individual contribution.

Deng-Du Jiang, Zhengyang Zhang, Ke-Hong Yuan et al. · 0 citations

Preprint Aug 2026

CARGO-VL: Counterfactual Arbitration with Risk-Constrained Group Optimization for Vision-Language Models

Vision-language systems combine images with retrieved text, but these sources can disagree or jointly fail to support an answer. Reliable models must identify the trustworthy source and abstain when neither is adequate. Existing post-training objectives score instances independently and therefore do not enforce coheren...

Dengdu Jiang, Zhengyang Zhang, Kehong Yuan et al. · 0 citations