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We study episodic reinforcement learning (RL) in non-stationary linear kernel Markov decision processes (MDPs). In this setting, both the reward function and the transition kernel are linear with respect to the given feature maps and are…

机器学习 · 计算机科学 2024-12-24 Han Zhong , Zhongren Chen , Zhuoran Yang , Zhaoran Wang , Csaba Szepesvári

Spike-timing-dependent-plasticity (STDP) is an unsupervised learning algorithm for spiking neural network (SNN), which promises to achieve deeper understanding of human brain and more powerful artificial intelligence. While conventional…

神经与进化计算 · 计算机科学 2019-09-13 Xueyuan She , Yun Long , Saibal Mukhopadhyay

This work presents an illustrative application of the second-order adjoint sensitivity analysis procedure (SO-ASAP) to a paradigm neutron diffusion problem, which is sufficiently simple to admit an exact solution, thereby making transparent…

数学物理 · 物理学 2015-05-20 Dan G. Cacuci

We consider the problem of policy transfer between two Markov Decision Processes (MDPs). We introduce a lemma based on existing theoretical results in reinforcement learning to measure the relativity gap between two arbitrary MDPs, that is…

机器学习 · 计算机科学 2024-01-25 Jiawei Xu , Cheng Zhou , Yizheng Zhang , Baoxiang Wang , Lei Han

Spiking Neural Networks (SNNs) provide an efficient computational mechanism for temporal signal processing, especially when coupled with low-power SNN inference ASICs. SNNs have been historically difficult to configure, lacking a general…

神经与进化计算 · 计算机科学 2022-09-21 Hannah Bos , Dylan Muir

A central problem in learning from sequential data is representing cumulative history in an incremental fashion as more data is processed. We introduce a general framework (HiPPO) for the online compression of continuous signals and…

机器学习 · 计算机科学 2020-10-26 Albert Gu , Tri Dao , Stefano Ermon , Atri Rudra , Christopher Re

Constrained reinforcement learning has achieved promising progress in safety-critical fields where both rewards and constraints are considered. However, constrained reinforcement learning methods face challenges in striking the right…

机器学习 · 计算机科学 2024-10-29 Jianmina Ma , Jingtian Ji , Yue Gao

Self-Driven Particles (SDP) describe a category of multi-agent systems common in everyday life, such as flocking birds and traffic flows. In a SDP system, each agent pursues its own goal and constantly changes its cooperative or competitive…

机器学习 · 计算机科学 2022-01-11 Zhenghao Peng , Quanyi Li , Ka Ming Hui , Chunxiao Liu , Bolei Zhou

Parametric differential equations of the form du/dt = f(u, x, t, p) are fundamental in science and engineering. While deep learning frameworks such as the Fourier Neural Operator (FNO) can efficiently approximate solutions, they struggle…

机器学习 · 计算机科学 2025-06-03 Abdolmehdi Behroozi , Chaopeng Shen and , Daniel Kifer

Spiking Neural Networks (SNNs), as an emerging biologically inspired computational model, demonstrate significant energy efficiency advantages due to their event-driven information processing mechanism. Compared to traditional Artificial…

神经与进化计算 · 计算机科学 2025-08-18 Changqing Xu , Buxuan Song , Yi Liu , Xinfang Liao , Wenbin Zheng , Yintang Yang

This paper introduces an analog spiking neuron that utilizes time-domain information, i.e., a time interval of two signal transitions and a pulse width, to construct a spiking neural network (SNN) for a hardware-friendly physical reservoir…

神经与进化计算 · 计算机科学 2025-06-06 Nanako Kimura , Ckristian Duran , Zolboo Byambadorj , Ryosho Nakane , Tetsuya Iizuka

In this paper, we consider controlling a class of single-input-single-output (SISO) commensurate fractional-order nonlinear systems with parametric uncertainty and external disturbance. Based on backstepping approach, an adaptive controller…

系统与控制 · 电气工程与系统科学 2020-05-15 Xinyao Li , Changyun Wen , Ying Zou

Event-based cameras have recently shown great potential for high-speed motion estimation owing to their ability to capture temporally rich information asynchronously. Spiking Neural Networks (SNNs), with their neuro-inspired event-driven…

计算机视觉与模式识别 · 计算机科学 2023-03-15 Adarsh Kumar Kosta , Kaushik Roy

Recently, GRPO-based reinforcement learning has shown remarkable progress in optimizing flow-matching models, effectively improving their alignment with task-specific rewards. Within these frameworks, the policy update relies on…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Jing Wang , Jiajun Liang , Jie Liu , Henglin Liu , Gongye Liu , Jun Zheng , Wanyuan Pang , Ao Ma , Zhenyu Xie , Xintao Wang , Meng Wang , Pengfei Wan , Xiaodan Liang

We develop a neural-network framework for multi-period risk--reward stochastic control problems with constrained two-step feedback policies that may be discontinuous in the state. We allow a broad class of objectives built on a…

计算金融 · 定量金融 2026-03-09 Chang Chen , Duy-Minh Dang

Two-Stage Robust Optimization (2RO) with discrete uncertainty is challenging, often rendering exact solutions prohibitive. Scenario reduction alleviates this issue by selecting a small, representative subset of scenarios to enable tractable…

人工智能 · 计算机科学 2026-05-15 Tianjue Lin , Jianan Zhou , Jieyi Bi , Yaoxin Wu , Wen Song , Zhiguang Cao , Jie Zhang

Real-world control systems require policies that are not only high-performing but also interpretable and robust. A promising direction toward this goal is model-based control, which learns system dynamics and cost functions from historical…

系统与控制 · 电气工程与系统科学 2025-11-20 Yuexin Bian , Jie Feng , Yuanyuan Shi

Simulated annealing (SA) is a stochastic global optimisation technique applicable to a wide range of discrete and continuous variable problems. Despite its simplicity, the development of an effective SA optimiser for a given problem hinges…

机器学习 · 计算机科学 2024-06-27 Alvaro H. C. Correia , Daniel E. Worrall , Roberto Bondesan

Large reasoning models improve with more test-time computation, but often overthink, producing unnecessarily long chains-of-thought that raise cost without improving accuracy. Prior reinforcement learning approaches typically rely on a…

We present Decentralized Distributed Proximal Policy Optimization (DD-PPO), a method for distributed reinforcement learning in resource-intensive simulated environments. DD-PPO is distributed (uses multiple machines), decentralized (lacks a…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Erik Wijmans , Abhishek Kadian , Ari Morcos , Stefan Lee , Irfan Essa , Devi Parikh , Manolis Savva , Dhruv Batra
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