USC SIGNALS Lab
Yifan Wu
PhD Student
Yifan is a first-year PhD student. His research interests span misinformation, LLM agents and human-AI interaction. Before PhD, he graduated from Hamilton College with a double major in Computer Science and Philosophy.
Publications
When Chatbots Accommodate: What AI Companions Optimize for in Vulnerable Conversations
Authors: MD Chu, Y Wu, Z Chen, AHC Hwang, L Luceri
Year: 2026Journal: arXiv preprint arXiv:2606.04431Graph-Regularized Sparse Autoencoders for LLM Safety Steering
Authors: J Yeon, F Cinus, Y Wu, L Luceri
Year: 2025Journal: arXiv preprint arXiv:2512.06655