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Zijian Jin

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Preprint Oct 2026

Safety Must Survive Self-Improvement: Why Failures Persist and How Agents Recover

Recursive self-improvement (RSI) allows agents to carry useful changes across generations. Maintaining safety across these generations involves both preventing unsafe behavior from persisting and enabling recovery when failures occur. We study these challenges through a controlled testbed of stateful authorization task...

Yun-Bei Zhang, Janet Wang, Saiyue Lyu et al. · 0 citations
#artificial intelligence Preprint Sep 2026

DeepJEPA: Scaling World Models from Within

World-model planners typically scale outward by rolling farther, sampling more trajectories, or optimizing longer, while assigning the same computation to every imagined transition. We show that making every transition uniformly deeper wastes computation and can degrade planning because useful refinement is concentrate...

Zi-Jian Jin, Yun-Bei Zhang, Yuan-Zhe Liu et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Simple Agentic Memory for Generalist Robot Policies

These results support a state-based view of robot memory: effective memory for control is not simply retained visual history, but compact task-relevant state derived from the interaction history.

Yu-You Zhang, Yun-Bei Zhang, Miao Li et al. · 0 citations
#artificial intelligence Preprint Sep 2026

LIBERO-MAX: Do Robot Policies Adapt When the World Changes?

Robots must often continue a task after a target moves, the viewpoint shifts, or an obstacle appears, even though their earlier observations and committed actions reflect the previous scene. Many simulation robustness benchmarks fix external conditions at reset, leaving this temporal challenge underexamined. We introdu...

Yun-Bei Zhang, Zi-Jian Jin, Yuan-Zhe Liu et al. · 0 citations
Preprint Jul 2026

ChainSWE: Benchmarking Coding Agents on Multi-Bug Software Maintenance

ChainSWE is introduced, the first benchmark for evaluating agents on sequential, dependent bug fixes within a shared codebase, and reveals a consistent performance drop by up to 70% as the chain length increases.

Qirui Jin, Lingching Tung, Kenan Li et al. · 1 citation · ⚡1

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