Author

Kecheng Chen

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#artificial intelligence Preprint Sep 2026

How Should Diffusion Language Models Edit Code?

Code editing requires a model to decide where to make changes, generate the new content, and preserve everything else. We study how masked diffusion language models divide these responsibilities across four editing interfaces: whole-file rewriting, search-and-replace, locate-then-infill, and token-level editing. Experi...

Xi-Jia Tao, Zi-Rui Liu, Shansan Gong et al. · 0 citations

Preprint Aug 2026

RedEvoAgent: Automatic Red-Teaming Agent with Experience-Driven Skill Evolution

RedEvoAgent is proposed, a black-box red-teaming agent that distills cross-case attack trajectories into a concise, human-readable attack skill that outperforms fixed and agentic baselines, improves tool efficiency, and transfers across attacker models and target execution harnesses.

Jun-Jie Zhang, Hui Liu, Kecheng Chen et al. · 0 citations