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Related papers: Robust Multi-Agent LLMs under Byzantine Faults

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Large Language Model (LLM)-based Multi-Agent Systems (MAS) enhance complex problem solving through multi-agent collaboration, but often incur substantially higher costs than single-agent systems. Recent MAS routing methods aim to balance…

Multiagent Systems · Computer Science 2026-01-15 Di Zhao , Longhui Ma , Siwei Wang , Miao Wang , Yi Kong

An often neglected issue in multi-agent reinforcement learning (MARL) is the potential presence of unreliable agents in the environment whose deviations from expected behavior can prevent a system from accomplishing its intended tasks. In…

Multiagent Systems · Computer Science 2024-05-31 Ho Long Fung , Victor-Alexandru Darvariu , Stephen Hailes , Mirco Musolesi

Self-evolving multi-agent systems (MAS) have emerged as a promising route to LLM agents that continually improve from experience, with persistent memory at their foundation. However, existing designs almost exclusively adopt a centralized…

Multiagent Systems · Computer Science 2026-05-22 Guangya Hao , Yunbo Long , Zhuokai Zhao

Large language model (LLM)-based multi-agent systems have emerged as a powerful paradigm for enabling autonomous agents to solve complex tasks. As these systems scale in complexity, cost becomes an important consideration for practical…

Multiagent Systems · Computer Science 2025-11-27 Liming Yang , Junyu Luo , Xuanzhe Liu , Yiling Lou , Zhenpeng Chen

TThis paper argues that \textbf{a comprehensive vulnerability analysis is essential for building trustworthy Large Language Model-based Multi-Agent Systems (LLM-MAS)}. These systems, which consist of multiple LLM-powered agents working…

Cryptography and Security · Computer Science 2026-05-19 Pengfei He , Yue Xing , Juanhui Li , Shen Dong , Zhenwei Dai , Xianfeng Tang , Hui Liu , Han Xu , Zhen Xiang , Charu C. Aggarwal , Hui Liu

To improve the reasoning and question-answering capabilities of Large Language Models (LLMs), several multi-agent approaches have been introduced. While these methods enhance performance, the application of collective intelligence-based…

Artificial Intelligence · Computer Science 2024-07-10 Ciaran Regan , Alexandre Gournail , Mizuki Oka

Multi-agent systems (MAS) decompose complex tasks and delegate subtasks to different large language model (LLM) agents and tools. Prior studies have reported the superior accuracy performance of MAS across diverse domains, enabled by…

Multiagent Systems · Computer Science 2025-05-27 Mingyan Gao , Yanzi Li , Banruo Liu , Yifan Yu , Phillip Wang , Ching-Yu Lin , Fan Lai

As agentic AI becomes more widespread, agents with distinct and possibly conflicting goals will interact in complex ways. These multi-agent interactions pose a fundamental challenge, particularly in social dilemmas, where agents' individual…

Machine Learning · Computer Science 2025-12-02 Dereck Piche , Mohammed Muqeeth , Milad Aghajohari , Juan Duque , Michael Noukhovitch , Aaron Courville

Large Language Model-based Multi-Agent Systems (LLM-based MAS), where multiple LLM agents collaborate to solve complex tasks, have shown impressive performance in many areas. However, MAS are typically distributed across different devices…

Artificial Intelligence · Computer Science 2026-01-09 Zhilun Zhou , Zihan Liu , Jiahe Liu , Qingyu Shao , Yihan Wang , Kun Shao , Depeng Jin , Fengli Xu

In this paper, we study a fully-decentralized multi-agent policy evaluation problem, which is an important sub-problem in cooperative multi-agent reinforcement learning, in the presence of up to $f$ faulty agents. In particular, we focus on…

Cryptography and Security · Computer Science 2024-09-24 Hairi , Minghong Fang , Zifan Zhang , Alvaro Velasquez , Jia Liu

This paper proposes a new approach that enables multi-agent systems to achieve resilient \textit{constrained} consensus in the presence of Byzantine attacks, in contrast to existing literature that is only applicable to…

Systems and Control · Electrical Eng. & Systems 2023-12-19 Xuan Wang , Shaoshuai Mou , Shreyas Sundaram

Large language models (LLMs) have enabled multi-agent systems (MAS) in which multiple agents argue, critique, and coordinate to solve complex tasks, making communication topology a first-class design choice. Yet most existing LLM-based MAS…

Artificial Intelligence · Computer Science 2025-12-23 Boxuan Wang , Zhuoyun Li , Xiaowei Huang , Yi Dong

Modern large language models (LLMs) excel at generating fluent and faithful translations. However, they struggle to preserve an author's unique literary style, often producing semantically correct but generic outputs. This limitation stems…

Computation and Language · Computer Science 2026-02-24 Jingzhuo Wu , Jiajun Zhang , Keyan Jin , Dehua Ma , Junbo Wang

Multi-agent systems driven by large language models (LLMs) have shown promising abilities for solving complex tasks in a collaborative manner. This work considers a fundamental problem in multi-agent collaboration: consensus seeking. When…

Computation and Language · Computer Science 2025-01-22 Huaben Chen , Wenkang Ji , Lufeng Xu , Shiyu Zhao

Large Language Models (LLMs) have enabled collaborative Multi-Agent (MA) systems, where interacting agents improve performance through diverse reasoning and iterative refinement. However, these systems remain vulnerable to error…

Multiagent Systems · Computer Science 2026-05-21 Yong Jin Chun , Iftekhar Ahmed

Distributed learning has many computational benefits but is vulnerable to attacks from a subset of devices transmitting incorrect information. This paper investigates Byzantine-resilient algorithms in a decentralized setting, where devices…

Machine Learning · Computer Science 2025-07-04 Renaud Gaucher , Aymeric Dieuleveut , Hadrien Hendrikx

To improve the overall efficiency and reliability of Byzantine protocols in large sparse networks, we propose a new system assumption for developing multi-scale fault-tolerant systems, with which several kinds of multi-scale Byzantine…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-03-08 Shaolin Yu , Jihong Zhu , Jiali Yang , Yulong Zhan

We study the problem of Byzantine fault tolerance in a distributed optimization setting, where there is a group of $N$ agents communicating with a trusted centralized coordinator. Among these agents, there is a subset of $f$ agents that may…

Optimization and Control · Mathematics 2023-12-19 Amit Dutta , Thinh T. Doan , Jeffrey H. Reed

Although large language models (LLMs) have revolutionized natural language processing capabilities, their practical implementation as autonomous multi-agent systems (MAS) for industrial problem-solving encounters persistent barriers.…

Computation and Language · Computer Science 2025-10-30 Hui Yi Leong , Yuheng Li , Yuqing Wu , Wenwen Ouyang , Wei Zhu , Jiechao Gao , Wei Han

While Large Language Model (LLM) multi-agent systems (MAS) offer a transformative approach to simulating human behavior in complex systems, it remains largely unexplored whether these simulations can replicate realistic structural and…

Social and Information Networks · Computer Science 2026-05-14 Siqi Miao , Ziyang Chen , Yuhong Luo , Hans Hao-Hsun Hsu , Mufei Li , Kaiqing Zhang , Pan Li