collaborators

5 papers

cs.SI2026

MIDSim: Simulating Multi-Channel Information Diffusion in Social Media with LLM-Powered Multi-Agent System

Lexi Liu, Qi Cao, Yuanhao Liu +2

Information diffusion in social media shapes public opinion and collective behavior, making its modeling and simulation an important research problem. Existing studies have investi…

cs.MA2026

Agent System Operations: Categorization, Challenges, and Future Directions

Zexin Wang, Changhua Pei, Yuanhao Liu +10

As the reasoning capabilities of Large Language Models (LLMs) continue to advance, LLM-based agent systems offer advantages in flexibility and interpretability over traditional sys…

q-bio.QM2026

The Impact of Heatwaves on Population Health: A Large Language Model-Enhanced Agent-Based Simulation

Yuanhao Liu, Yuanfei Liu, Tian Lu +3

Extreme heat events are increasing in frequency and intensity under climate change, but the socio-behavioral mechanisms that shape community resilience remain insufficiently unders…

cs.CR2026

Why Do Aligned LLMs Remain Jailbreakable: Refusal-Escape Directions, Operator-Level Sources, and Safety-Utility Trade-off

Yu Chen, Yuanhao Liu, Qi Cao

Aligned large language models (LLMs) remain vulnerable to jailbreak attacks. Recent mechanistic studies have identified latent features and representation shifts associated with ja…

cs.AI2025

A Survey on AgentOps: Categorization, Challenges, and Future Directions

Zexin Wang, Jingjing Li, Quan Zhou +7

As the reasoning capabilities of Large Language Models (LLMs) continue to advance, LLM-based agent systems offer advantages in flexibility and interpretability over traditional sys…