Author

Qin Zhao

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Preprint Aug 2026

Uncovering and Mitigating Positional Blind Spots in Vision-Language-Action Models

This paper proposes a two-stage black-box framework to uncover and mitigate Positional Blind Spots, and evaluates its framework on five state-of-the-art VLA policies across two benchmarks, and finds that PBS are pervasive and spatially concentrated in all of them.

Dongdong An, Pengjie Zhao, Yihao Huang et al. · 0 citations

Preprint Aug 2026

EcoAgent-Bench: Evaluating Economic Decision-Making in Budget-Constrained LLM Agents

EcoAgent-Bench is introduced, in which every task specifies priced actions and an explicit budget, and results show that completion under a budget and economical action selection are distinct properties.

Jie Wu, Ming Gong, Feixiang Cheng et al. · 0 citations