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Author

Qiu-Yi Zhang

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Preprint Oct 2026

DecoyCount: Evaluating Visual-Reasoning Misalignment in Counting

Visual counting benchmarks report whether vision-language models produce the correct number, but not whether errors arise from perception or reasoning. We introduce DecoyCount, a benchmark built from 1,660 real-world images with designed decoys across seven mechanisms, along with paired prompts: a neutral question, a m...

Qiu-Yi Zhang, Zhen Xu, Jing Gu et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Interpreting Reasoning of Large Language Models via Partial Information Decomposition

Large reasoning models (LRMs) have achieved substantial improvements in solving complex mathematical problems, but often produce lengthy, repetitive, or erroneous reasoning trajectories. In this work, we introduce a new interpretability framework, SLIDER, to evaluate the quality of the reasoning process. SLIDER leverag...

Barproda Halder, Qiu-Yi Zhang, Sanghamitra Dutta · 0 citations
#artificial intelligence Preprint Sep 2026

Reinforcement Learning under State and Outcome Uncertainty: A Foundational Distributional Perspective

Distributional Point-Based Value Iteration (DPBVI), which integrates psi-vectors into a standard point-based backup procedure-bridging DistRL and POMDP planning, lays the foundation for future risk-sensitive control in domains where rare, high-impact events must be carefully managed.

L. Preuett, Qiu-Yi Zhang, Muhammad Ahmad · 0 citations

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