3 papers
cs.CL2026
Preconditioned Test-Time Adaptation for Out-of-Distribution Debiasing in Narrative Generation
Hanwen Shen, Ting Ying, Jiajie Lu +1
Although debiased large language models (LLMs) excel at handling known or low-bias prompts, they often fail on unfamiliar and high-bias prompts. We demonstrate via out-of-distribut…
math.GR2026
HNN extensions of free groups with equal associated subgroups of finite index: polynomial time word problem
Hanwen Shen, Alexander Ushakov
Let be an HNN extension of a free group with two equal associated normal subgroups of finite index. We prove that the word problem in is decidable…
cs.CV2025
Enhancing Scene Transition Awareness in Video Generation via Post-Training
Hanwen Shen, Jiajie Lu, Yupeng Cao +1
Recent advances in AI-generated video have shown strong performance on \emph{text-to-video} tasks, particularly for short clips depicting a single scene. However, current models st…