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While large language model-based agents demonstrate great potential in collaborative tasks, their interactivity also introduces security vulnerabilities. In this paper, we propose and model group collusive attacks, a highly destructive…

Artificial Intelligence · Computer Science 2026-03-17 Yiling Tao , Xinran Zheng , Shuo Yang , Meiling Tao , Xingjun Wang

Large Language Model-based Multi-Agent Systems (LLM-MAS) have revolutionized complex problem-solving capability by enabling sophisticated agent collaboration through message-based communications. While the communication framework is crucial…

Cryptography and Security · Computer Science 2025-06-03 Pengfei He , Yupin Lin , Shen Dong , Han Xu , Yue Xing , Hui Liu

Multi-agent artificial intelligence systems or MAS are systems of autonomous agents that exercise delegated tool authority, share persistent memory, and coordinate via inter-agent communication. MAS introduces qualitatively distinct…

Cryptography and Security · Computer Science 2026-04-28 Tam Nguyen , Moses Ndebugre , Dheeraj Arremsetty

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

Multi-agent systems (MAS) have emerged as a prominent paradigm for leveraging large language models (LLMs) to tackle complex tasks. However, the mechanisms governing the effectiveness of MAS built upon publicly available LLMs, specifically…

Multiagent Systems · Computer Science 2026-05-11 Yuxuan Zhao , Sijia Chen , Ningxin Su

A multi-agent system (MAS) powered by large language models (LLMs) can automate tedious user tasks such as meeting scheduling that requires inter-agent collaboration. LLMs enable nuanced protocols that account for unstructured private data,…

Artificial Intelligence · Computer Science 2025-10-17 Mason Nakamura , Abhinav Kumar , Saaduddin Mahmud , Sahar Abdelnabi , Shlomo Zilberstein , Eugene Bagdasarian

Large language model (LLM)-based multi-agent systems (MASs) are a recent but rapidly evolving technology with the potential to transform chemical engineering by decomposing complex workflows into teams of collaborative agents with…

Multiagent Systems · Computer Science 2025-08-12 Sophia Rupprecht , Qinghe Gao , Tanuj Karia , Artur M. Schweidtmann

This paper proposes a new architecture for multi-agent systems to cover an unknowingly distributed fast, safely, and decentralizedly. The inter-agent communication is organized by a directed graph with fixed topology, and we model agent…

Systems and Control · Electrical Eng. & Systems 2023-07-11 Hossein Rastgoftar

The rapid advancement of large language models (LLMs) has empowered intelligent agents to leverage diverse external tools for solving complex real-world problems. However, this reliance introduces new challenges, as extended contexts and…

Artificial Intelligence · Computer Science 2025-09-03 Zhitian Xie , Qintong Wu , Chengyue Yu , Chenyi Zhuang , Jinjie Gu

Communication in multi-agent reinforcement learning (MARL) has been proven to effectively promote cooperation among agents recently. Since communication in real-world scenarios is vulnerable to noises and adversarial attacks, it is crucial…

Multiagent Systems · Computer Science 2023-12-20 Lebin Yu , Yunbo Qiu , Quanming Yao , Yuan Shen , Xudong Zhang , Jian Wang

In this paper, the communication effort required in a multi-agent system (MAS) is minimized via an explicit optimization formulation. The paper considers a MAS of single-integrator agents with bounded inputs and a time-invariant…

Systems and Control · Electrical Eng. & Systems 2023-05-05 Vishal Sawant , Debraj Chakraborty , Debasattam Pal

With the rapid progress of large language models (LLMs), LLM-powered multi-agent systems (MAS) are drawing increasing interest across academia and industry. However, many current MAS frameworks struggle with reliability and scalability,…

Multiagent Systems · Computer Science 2025-11-04 Yang Li , Siqi Ping , Xiyu Chen , Xiaojian Qi , Zigan Wang , Ye Luo , Xiaowei Zhang

Multi-agent systems (MAS) built on large language models promise improved problem-solving through collaboration, yet they often fail to consistently outperform strong single-agent baselines due to error propagation at inter-agent message…

Artificial Intelligence · Computer Science 2026-01-21 Bohan Lin , Kuo Yang , Zelin Tan , Yingchuan Lai , Chen Zhang , Guibin Zhang , Xinlei Yu , Miao Yu , Xu Wang , Yudong Zhang , Yang Wang

Multi-agent systems (MAS) have shown great potential in executing complex tasks, but coordination and safety remain significant challenges. Multi-Agent Reinforcement Learning (MARL) offers a promising framework for agent collaboration, but…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Ziqi Jia , Junjie Li , Xiaoyang Qu , Jianzong Wang

In this paper we present an idea of trusted communication platform for Multi-Agent Systems (MAS) called TrustMAS. Based on analysis of routing protocols suitable for MAS we have designed a new proactive hidden routing. Proposed steg-agents…

Cryptography and Security · Computer Science 2008-06-04 Krzysztof Szczypiorski , Igor Margasinski , Wojciech Mazurczyk

Large language model-based multi-agent systems have recently gained significant attention due to their potential for complex, collaborative, and intelligent problem-solving capabilities. Existing surveys typically categorize LLM-based…

Multiagent Systems · Computer Science 2026-05-27 Bingyu Yan , Zhibo Zhou , Litian Zhang , Lian Zhang , Ziyi Zhou , Dezhuang Miao , Zhoujun Li , Chaozhuo Li , Xiaoming Zhang

In this paper, we consider the problem of distributed reachable set computation for multi-agent systems (MASs) interacting over an undirected, stationary graph. A full state-feedback control input for such MASs depends no only on the…

Systems and Control · Electrical Eng. & Systems 2024-10-11 Omanshu Thapliyal , Shanelle Clarke , Inseok Hwang

The rapid integration of Large Language Models (LLMs) into Multi-Agent Systems (MAS) has significantly enhanced their collaborative problem-solving capabilities, but it has also expanded their attack surfaces, exposing them to…

Cryptography and Security · Computer Science 2026-04-29 Pablo Mateo-Torrejón , Alfonso Sánchez-Macián

This contribution provides our comprehensive reflection on the contemporary agent technology, with a particular focus on the advancements driven by Large Language Models (LLM) vs classic Multi-Agent Systems (MAS). It delves into the models,…

Multiagent Systems · Computer Science 2025-09-03 Costin Bădică , Amelia Bădică , Maria Ganzha , Mirjana Ivanović , Marcin Paprzycki , Dan Selişteanu , Zofia Wrona

Large Language Model-based Multi-Agent Systems (MASs) have emerged as a powerful paradigm for tackling complex tasks through collaborative intelligence. However, the topology of these systems--how agents in MASs should be configured,…

Multiagent Systems · Computer Science 2025-10-20 Jiaxi Yang , Mengqi Zhang , Yiqiao Jin , Hao Chen , Qingsong Wen , Lu Lin , Yi He , Srijan Kumar , Weijie Xu , James Evans , Jindong Wang