arXiv research

Agents learn to give rewards to others in a shared learning environment.

Method models other agents' behaviors without requiring direct observation.

Agents learn social skills from each other, improving performance.

New algorithm reduces learning regret in multi-agent systems with unknown dynamics.

A novel framework uses goal-conditioned reinforcement learning to generate diverse samples.

Reinforcement learning (RL) algorithms allow agents to learn skills and strategies to perform complex tasks without detailed instructions or expensive labelled training examples. That is, RL agents can learn, as we learn. Given the importance of learning in our intelligence, RL has been thought to be one of key compone…

I2C enables agents to learn efficient communication without redundancy.

A simple learning agent learns to trade in an agent-based market model.

Many learning agents impact a financial market model, showing complex dynamics.

The ability of modeling the other agents, such as understanding their intentions and skills, is essential to an agent's interactions with other agents. Conventional agent modeling relies on passive observation from demonstrations. In this work, we propose an interactive agent modeling scheme enabled by encouraging an a…

We present an effective technique for training deep learning agents capable of negotiating on a set of clauses in a contract agreement using a simple communication protocol. We use Multi Agent Reinforcement Learning to train both agents simultaneously as they negotiate with each other in the training environment. We al…

The behavioral dynamics of multi-agent systems have a rich and orderly structure, which can be leveraged to understand these systems, and to improve how artificial agents learn to operate in them. Here we introduce Relational Forward Models (RFM) for multi-agent learning, networks that can learn to make accurate predic…

MARLA uses deep reinforcement learning for multi-agent AHT, reducing Bayes risk.

Study improves online learning with adaptable agents in various settings.

We propose a method to efficiently learn diverse strategies in reinforcement learning for query reformulation in the tasks of document retrieval and question answering. In the proposed framework an agent consists of multiple specialized sub-agents and a meta-agent that learns to aggregate the answers from sub-agents to…

This work formalizes and extends parameter sharing in multi-agent reinforcement learning.

MARL algorithm uses regularization to avoid explicit structures, improving performance.

RL agents outperform baselines in asset allocation.

EPC curriculum improves MARL performance as agent population grows.

Novel approach models opponent learning dynamics in multi-agent reinforcement learning.

Algorithm improves learning by integrating diverse agents' behaviors.

Recent developments in deep reinforcement learning are concerned with creating decision-making agents which can perform well in various complex domains. A particular approach which has received increasing attention is multi-agent reinforcement learning, in which multiple agents learn concurrently to coordinate their ac…

In this paper, we explore using deep reinforcement learning for problems with multiple agents. Most existing methods for deep multi-agent reinforcement learning consider only a small number of agents. When the number of agents increases, the dimensionality of the input and control spaces increase as well, and these met…

We propose a method for modeling and learning turn-taking behaviors for accessing a shared resource. We model the individual behavior for each agent in an interaction and then use a multi-agent fusion model to generate a summary over the expected actions of the group to render the model independent of the number of age…

We propose a unified mechanism for achieving coordination and communication in Multi-Agent Reinforcement Learning (MARL), through rewarding agents for having causal influence over other agents' actions. Causal influence is assessed using counterfactual reasoning. At each timestep, an agent simulates alternate actions t…

Paper presents a method to efficiently learn ordered representations of multi-agent data.

Study of repeated principal-agent bandit game with self-interested and exploratory learning agents.

PCL tackles collaborative learning for diverse agents, reducing sample complexity.

This paper proposes using variational autoencoders to model opponents in multi-agent systems.

A common technique to improve learning performance in deep reinforcement learning (DRL) and many other machine learning algorithms is to run multiple learning agents in parallel. A neglected component in the development of these algorithms has been how best to arrange the learning agents involved to improve distributed…

Algorithm learns optimal coordination for strategic agents in uncertain settings.

Agents need world models to generalize multi-step tasks.

Observational learning is a type of learning that occurs as a function of observing, retaining and possibly replicating or imitating the behaviour of another agent. It is a core mechanism appearing in various instances of social learning and has been found to be employed in several intelligent species, including humans…

Adaptive policies for multi-agent RL improve adaptiveness in changing environments.

Improved exploration in cooperative multi-agent reinforcement learning.

New learning methods for open systems with variable agents.

Attackers can significantly reduce team rewards in cooperative multi-agent reinforcement learning.

Multi-agent reinforcement learning systems aim to provide interacting agents with the ability to collaboratively learn and adapt to the behaviour of other agents. In many real-world applications, the agents can only acquire a partial view of the world. Here we consider a setting whereby most agents' observations are al…

Reinforcement learning crypto agent achieves high returns on Bitcoin derivatives.

The enactive approach to cognition is typically proposed as a viable alternative to traditional cognitive science. Enactive cognition displaces the explanatory focus from the internal representations of the agent to the direct sensorimotor interaction with its environment. In this paper, we investigate enactive learnin…

Reinforcement learning in multi-agent scenarios is important for real-world applications but presents challenges beyond those seen in single-agent settings. We present an actor-critic algorithm that trains decentralized policies in multi-agent settings, using centrally computed critics that share an attention mechanism…

Deep learning has enabled traditional reinforcement learning methods to deal with high-dimensional problems. However, one of the disadvantages of deep reinforcement learning methods is the limited exploration capacity of learning agents. In this paper, we introduce an approach that integrates human strategies to increa…

Learning to cooperate is crucially important in multi-agent environments. The key is to understand the mutual interplay between agents. However, multi-agent environments are highly dynamic, where agents keep moving and their neighbors change quickly. This makes it hard to learn abstract representations of mutual interp…

Flexible decentralized MARL framework for cooperative multi-agent learning.

Study designs incentives for adapting multi-agent systems without knowing their learning dynamics.

New algorithm tackles multi-agent reinforcement learning issues.

A deep RL approach learns multi-agent coordination through dynamic graph communication.

A new method simulates large, diverse populations of learning agents evolving in games.