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We propose a new reinforcement learning (RL) formulation for training continuous-time score-based diffusion models for generative AI to generate samples that maximize reward functions while keeping the generated distributions close to the…

机器学习 · 计算机科学 2025-08-12 Xuefeng Gao , Jiale Zha , Xun Yu Zhou

We investigate reinforcement learning (RL) in the presence of distributional mismatch between training and deployment, where policies trained in simulators often underperform in practice due to mismatches between training and deployment…

机器学习 · 计算机科学 2025-11-12 Debamita Ghosh , George K. Atia , Yue Wang

One of the main goals of reinforcement learning (RL) is to provide a~way for physical machines to learn optimal behavior instead of being programmed. However, effective control of the machines usually requires fine time discretization. The…

机器学习 · 计算机科学 2022-07-12 Jakub Łyskawa , Paweł Wawrzyński

In federated learning (FL), model aggregation has been widely adopted for data privacy. In recent years, assigning different weights to local models has been used to alleviate the FL performance degradation caused by differences between…

机器学习 · 计算机科学 2022-02-01 Chenghao Huang , Weilong Chen , Yuxi Chen , Shunji Yang , Yanru Zhang

This paper proposes a reinforcement learning--based framework for cryptocurrency portfolio management using the Soft Actor--Critic (SAC) and Deep Deterministic Policy Gradient (DDPG) algorithms. Traditional portfolio optimization methods…

计算金融 · 定量金融 2025-11-27 Kamal Paykan

Scaling reinforcement learning (RL) to recommender systems (RS) is promising since maximizing the expected cumulative rewards for RL agents meets the objective of RS, i.e., improving customers' long-term satisfaction. A key approach to this…

机器学习 · 计算机科学 2022-09-27 Chengqian Gao , Ke Xu , Kuangqi Zhou , Lanqing Li , Xueqian Wang , Bo Yuan , Peilin Zhao

The performance of deep reinforcement learning methods prone to degenerate when applied to environments with non-stationary dynamics. In this paper, we utilize the latent context recurrent encoders motivated by recent Meta-RL materials, and…

机器学习 · 计算机科学 2021-05-11 Yuan Pu , Shaochen Wang , Xin Yao , Bin Li

Quantum optimal control in the presence of decoherence is difficult, particularly when not all Hamiltonian parameters are known precisely, as in quantum sensing applications. In this context, maximizing the sensitivity of the system is the…

量子物理 · 物理学 2026-01-19 Logan W. Cooke , Stefanie Czischek

The volatility fitting is one of the core problems in the equity derivatives business. Through a set of deterministic rules, the degrees of freedom in the implied volatility surface encoding (parametrization, density, diffusion) are…

计算金融 · 定量金融 2024-10-16 Emmanuel Gnabeyeu , Omar Karkar , Imad Idboufous

Large language models can predict real-valued quantities from heterogeneous inputs such as text, code, and molecular strings, but most training objectives score each decoded floating-point number independently, improving point estimates…

机器学习 · 计算机科学 2026-05-21 Jungsoo Park , Hyungjoo Chae , Ethan Mendes , Jay DeYoung , Varsha Kishore , Wei Xu , Alan Ritter

Autonomous parking is a key technology in modern autonomous driving systems, requiring high precision, strong adaptability, and efficiency in complex environments. This paper proposes a Deep Reinforcement Learning (DRL) framework based on…

机器人学 · 计算机科学 2025-05-01 Zheyu Zhang , Yutong Luo , Yongzhou Chen , Haopeng Zhao , Zhichao Ma , Hao Liu

In fully cooperative multi-agent reinforcement learning (MARL) settings, environments are highly stochastic due to the partial observability of each agent and the continuously changing policies of other agents. To address the above issues,…

多智能体系统 · 计算机科学 2023-06-06 Wei-Fang Sun , Cheng-Kuang Lee , Simon See , Chun-Yi Lee

In the domain of continuous control, deep reinforcement learning (DRL) demonstrates promising results. However, the dependence of DRL on deep neural networks (DNNs) results in the demand for extensive data and increased computational cost.…

机器学习 · 计算机科学 2025-04-15 Shiron Thalagala , Pak Kin Wong , Xiaozheng Wang , Tianang Sun

Can we use reinforcement learning to learn general-purpose policies that can perform a wide range of different tasks, resulting in flexible and reusable skills? Contextual policies provide this capability in principle, but the…

机器学习 · 计算机科学 2021-04-26 Soroush Nasiriany , Vitchyr H. Pong , Ashvin Nair , Alexander Khazatsky , Glen Berseth , Sergey Levine

Federated reinforcement learning (FRL) has emerged as a promising paradigm, enabling multiple agents to collaborate and learn a shared policy adaptable across heterogeneous environments. Among the various reinforcement learning (RL)…

机器学习 · 计算机科学 2024-12-25 Ye Zhu , Xiaowen Gong

This work presents a study on parallel and distributional deep reinforcement learning applied to the mapless navigation of UAVs. For this, we developed an approach based on the Soft Actor-Critic method, producing a distributed and…

The trend is to implement intelligent agents capable of analyzing available information and utilize it efficiently. This work presents a number of reinforcement learning (RL) architectures; one of them is designed for intelligent agents.…

机器学习 · 计算机科学 2020-04-07 Ala'eddin Masadeh , Zhengdao Wang , Ahmed E. Kamal

Deep reinforcement learning methods have shown great performance on many challenging cooperative multi-agent tasks. Two main promising research directions are multi-agent value function decomposition and multi-agent policy gradients. In…

人工智能 · 计算机科学 2021-05-11 Yuan Pu , Shaochen Wang , Rui Yang , Xin Yao , Bin Li

Deep reinforcement learning can generate complex control policies, but requires large amounts of training data to work effectively. Recent work has attempted to address this issue by leveraging differentiable simulators. However, inherent…

机器学习 · 计算机科学 2022-04-15 Jie Xu , Viktor Makoviychuk , Yashraj Narang , Fabio Ramos , Wojciech Matusik , Animesh Garg , Miles Macklin

Dynamic Reinforcement Learning (Dynamic RL), proposed in this paper, directly controls system dynamics, instead of the actor (action-generating neural network) outputs at each moment, bringing about a major qualitative shift in…

机器学习 · 计算机科学 2025-02-17 Katsunari Shibata