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We present the extension of the Remember and Forget for Experience Replay (ReF-ER) algorithm to Multi-Agent Reinforcement Learning (MARL). ReF-ER was shown to outperform state of the art algorithms for continuous control in problems ranging…

Machine Learning · Computer Science 2022-09-05 Pascal Weber , Daniel Wälchli , Mustafa Zeqiri , Petros Koumoutsakos

Although LLM agents can leverage tools for complex tasks, they still need memory to maintain cross-turn consistency and accumulate reusable information in long-horizon interactions. However, retrieval-based external memory systems incur low…

Artificial Intelligence · Computer Science 2026-04-23 Jiaquan Zhang , Chaoning Zhang , Shuxu Chen , Zhenzhen Huang , Pengcheng Zheng , Zhicheng Wang , Ping Guo , Fan Mo , Sung-Ho Bae , Jie Zou , Jiwei Wei , Yang Yang

Multi-agent LLM debate improves factuality and reasoning, but most recipes pick a fixed round count, over-spending on easy items and under-spending on hard ones. We adapt Wald's Sequential Probability Ratio Test (SPRT) as a plug-in compute…

Machine Learning · Computer Science 2026-05-20 Andrea Morandi

Existing works increasingly adopt memory-centric mechanisms to process long contexts in a segment manner, and effective memory management is one of the key capabilities that enables large language models to effectively propagate information…

Computation and Language · Computer Science 2026-01-27 Zecheng Tang , Baibei Ji , Ruoxi Sun , Haitian Wang , WangJie You , Zhang Yijun , Wenpeng Zhu , Ji Qi , Juntao Li , Min Zhang

The partial monitoring (PM) framework provides a theoretical formulation of sequential learning problems with incomplete feedback. On each round, a learning agent plays an action while the environment simultaneously chooses an outcome. The…

Machine Learning · Computer Science 2024-05-17 Maxime Heuillet , Ola Ahmad , Audrey Durand

Multi-Agent Experience Replay (MER) is a key component of off-policy reinforcement learning~(RL) algorithms. By remembering and reusing experiences from the past, experience replay significantly improves the stability of RL algorithms and…

Multiagent Systems · Computer Science 2023-06-02 Kailash Gogineni , Yongsheng Mei , Peng Wei , Tian Lan , Guru Venkataramani

Cooperative multi-agent reinforcement learning (MARL) requires agents to discover joint strategies in a combinatorially large state-action space, yet effective coordination configurations are exceedingly rare. Intrinsic motivation, which…

Multiagent Systems · Computer Science 2026-05-05 Dahyun Oh , Minhyuk Yoon , H. Jin Kim

Working memory (WM) allows information to be stored and manipulated over short time scales. Performance on WM tasks is thought to be supported by the frontoparietal system (FPS), the default mode system (DMS), and interactions between them.…

Neurons and Cognition · Quantitative Biology 2020-09-09 Andrew C. Murphy , Maxwell A. Bertolero , Lia Papadopoulos , David M. Lydon-Staley , Danielle S. Bassett

Memory-agent evaluations report fixed-snapshot accuracy or retrieval quality, but these scores do not show whether evidence remains usable as irrelevant sessions (sessions not annotated as task-relevant evidence for the query) accumulate.…

Artificial Intelligence · Computer Science 2026-05-11 Jiaqi Shao , Yiyi Lu , Yunzhen Zhang , Bing Luo

Pre-symptomatic (or Preclinical) Alzheimer's Disease is defined by biomarker evidence of fibrillar amyloid beta pathology in the absence of clinical symptoms. Clinical trials in this early phase of disease are challenging due to the slow…

Applications · Statistics 2020-03-10 Dan Li , Samuel Iddi , Paul S. Aisen , Wesley K. Thompson , Michael C. Donohue

Large language model (LLM) agents increasingly operate in settings where a single context window is far too small to capture what has happened, what was learned, and what should not be repeated. Memory -- the ability to persist, organize,…

Artificial Intelligence · Computer Science 2026-03-10 Pengfei Du

Recent benchmarks for Large Language Model (LLM) agents primarily focus on evaluating reasoning, planning, and execution capabilities, while another critical component-memory, encompassing how agents memorize, update, and retrieve long-term…

Computation and Language · Computer Science 2026-03-19 Yuanzhe Hu , Yu Wang , Julian McAuley

A synaptic theory of Working Memory (WM) has been developed in the last decade as a possible alternative to the persistent spiking paradigm. In this context, we have developed a neural mass model able to reproduce exactly the dynamics of…

Neurons and Cognition · Quantitative Biology 2025-05-29 Halgurd Taher , Alessandro Torcini , Simona Olmi

LLM-based shopping agents increasingly rely on long purchase histories and multi-turn interactions for personalization, yet naively appending raw history to prompts is often ineffective due to noise, length, and relevance mismatch. We…

Computation and Language · Computer Science 2026-04-03 Zhiyuan Peng , Xuyang Wu , Huaixiao Tou , Yi Fang , Yu Gong

Research on large language model (LLM) security is shifting from "will the model leak training data" to a more consequential question: can an agent with persistent, long-term memory be continuously shaped, cross-session poisoned, accessed…

Cryptography and Security · Computer Science 2026-04-21 Zehao Lin , Chunyu Li , Kai Chen

Current LLM agents lack principled mechanisms for managing persistent memory across long interaction horizons. We present a biologically-grounded memory architecture comprising six cognitive mechanisms: (1) sleep-phase consolidation, (2)…

Artificial Intelligence · Computer Science 2026-05-12 Doga Kerestecioglu , Alexei Robsky , Clemens Vasters , Anshul Sharma , Yitzhak Kesselman

Quantifying the predictive capacity of a neural system, intended as the capability to store information and actively use it for dynamic system evolution, is a key component of neural information processing. Information storage (IS), the…

Neurons and Cognition · Quantitative Biology 2024-08-29 Gorana Mijatovic , Sebastiano Stramaglia , Luca Faes

While deep reinforcement learning has shown important empirical success, it tends to learn relatively slow due to slow propagation of rewards information and slow update of parametric neural networks. Non-parametric episodic memory, on the…

Machine Learning · Computer Science 2023-04-25 Zhao Yang , Thomas. M. Moerland , Mike Preuss , Aske Plaat

Long-term memory has emerged as a foundational component of autonomous Large Language Model (LLM) agents, enabling continuous adaptation, lifelong multimodal learning, and sophisticated reasoning. However, as memory systems transition from…

Artificial Intelligence · Computer Science 2026-05-20 Chingkwun Lam , Jiaxin Li , Lingfei Zhang , Kuo Zhao

Large language model (LLM) agents achieve impressive single-task performance but commonly exhibit repeated failures, inefficient exploration, and limited cross-task adaptability. Existing reflective strategies (e.g., Reflexion, ReAct)…

Artificial Intelligence · Computer Science 2025-09-09 Chunlong Wu , Ye Luo , Zhibo Qu , Min Wang