Author

Ruohan Zhang

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#artificial intelligence Preprint Sep 2026

MindTopo: Can Foundation Models Reason in Topological Space?

This work introduces MindTopo, a benchmark of topological intuition across five properties grounded in cognitive science and formal topology: continuity, separation, order, enclosure, and knots, which performs better on reasoning than on planning, and the best-performing model remains far below observed human performan...

Yun-Fei Ge, An-Bang Liu, Qineng Wang et al. · 0 citations

Preprint Aug 2026

MANIGUARD: A Benchmark and Data Suite for Specification-Grounded Safety Evaluation and Improvement of Robotic Manipulation

Foundation-model policies for robotic manipulation are advancing rapidly on task success, but rigorous evaluation of whether they succeed safely is still lacking. We introduce ManiGuard, a specification-grounded framework for evaluating and improving the safety of foundation-model manipulation, comprising the ManiGuard...

Yi Peng, Philip Wang, Simon Sinong Zhan et al. · 2 citations · ⚡1