collaborators

25 papers

cs.CR2026

Benign Alone, Harmful Together: Exploiting Experience Composition in Self-Evolving LLM Agents

Bingyu Yan, Xiaoming Zhang, Chaozhuo Li +3

Self-evolving large language model agents improve their capabilities by distilling interaction trajectories into persistent experiences. Yet this mechanism introduces a new safety…

cs.LG2026

Towards Personalized Differentially Private Learning for Decentralized Local Graphs

Longzhu He, Peng Tang, Chaozhuo Li +5

Graph-structured data is increasingly generated and stored in decentralized environments, such as social platforms, mobile applications, and edge networks, where users maintain con…

cs.MA2026

Beyond Self-Talk: A Communication-Centric Survey of LLM-Based Multi-Agent Systems

Bingyu Yan, Zhibo Zhou, Litian Zhang +6

Large language model-based multi-agent systems have recently gained significant attention due to their potential for complex, collaborative, and intelligent problem-solving capabil…

cs.CR2026

Evo-Attacker: Memory-Augmented Reinforcement Learning for Long-Horizon Tool Attacks on LLM-MAS

Bingyu Yan, Xiaoming Zhang, Jinyu Hou +4

While Large Language Model-based Multi-Agent Systems (LLM-MAS) demonstrate remarkable capabilities in solving complex tasks by orchestrating specialized agents and external tools,…

cs.AI2026

OpenEvoShield: Dual Non-Stationary Continual Defense for Open-World Multi-Agent System Attacks

Litian Zhang, Chaozhuo Li, Yuting Zhang +3

LLM-based multi-agent systems (LLM-MAS) are increasingly deployed in safety-critical applications, where adversaries inject malicious instructions through inter-agent communication…

cs.LG2026

PropGuard: Safeguarding LLM-MAS via Propagation-Aware Exploration and Remediation

Bingyu Yan, Xiaoming Zhang, Jinyu Hou +4

LLM-based multi-agent systems (LLM-MAS) have become a promising paradigm for solving complex tasks through role specialization, tool use, memory, and collaborative reasoning. Howev…