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~ similar to 2607.23434· 20 results

cs.ROcs.LGEmpiricalRecentJul 26, 2026

Hierarchical Soft Actor-Critic for Sparse-Reward Long-Horizon Reinforcement Learning

Zahra Abdalla Elashaal, Afef Hfaiedh, Nahla Khraief, Issmail Ellabib +1 more

The paper proposes a Hierarchical Reinforcement Learning framework with two levels for handling high-level strategic planning and low-level continuous-control using Soft Actor-Critic and entropy-regul…

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cs.LGcs.AIRecentMay 29, 2026

Reinforcement Learning with Pairwise Preferences in Long-Term Decision Problems

Jonathan Colaço Carr, Prakash Panangaden, Doina Precup, Benjamin Van Roy

The paper introduces the Markov decision contest, a new framework for reinforcement learning using pairwise preferences, and proves that stationary Markov policies are optimal and solvable efficiently…

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cs.AIeess.SYRecentJun 1, 2026

S3TS: Stochastic Scenario-Structured Tree Search for Advanced Planning Under Uncertainty

Fabio Pavirani, Bert Claessens, Pierre Pinson, Chris Develder

The paper proposes S3TS, a novel tree search algorithm that simultaneously handles both non-linear system models and explicit uncertainties (scenarios) for advanced energy planning, achieving near-opt…

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cs.LGcs.AIRecentMay 30, 2026

Interpretable Policy Distillation for Power Grid Topology Control

Aleksandra Dmitruka, Karlis Freivalds

This paper demonstrates that a complex deep reinforcement learning policy for power grid control can be successfully distilled into a lightweight, auditable decision tree and random forest surrogate t…

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cs.AIcs.LGRecentMay 28, 2026

Certified Policy Optimisation for Nested Causal Bandits via PAC-Bayes Risk

Tim Woydt, Paul-David Zuercher

The paper introduces Nested Contextual Causal Bandits (NCCBs) to model multi-timescale sequential decisions and proposes a certified policy optimization method, NCTS, that provides quantifiable risk b…

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cs.LGcs.AIRecentMay 28, 2026

HPO: Hysteretic Policy Optimization for Stable and Efficient Training under Sparse-Reward Regime

Mohamed Sana, Nicola Piovesan, Antonio De Domenico, Fadhel Ayed +1 more

The paper proposes Hysteretic Policy Optimization (HPO) and its adaptive variant (A-HPO) to stabilize reinforcement learning training in sparse-reward environments by better balancing positive and neg…

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cs.AIcs.LGecon.THRecentMay 31, 2026

Prospect-Theory Behavior from Bellman Optimality in MDPs with Catastrophic States

Yujiao Chen

This paper shows that standard optimal control in Markov Decision Processes (MDPs) with an absorbing catastrophic state naturally generates behavioral signatures mimicking prospect theory, even withou…

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cs.LGcs.AITheoreticalRecentJul 1, 2026

Staleness-Learning Rate Scaling Laws for Asynchronous RLHF

Jingwei Song, Haofeng Xu, Jie Xiao, Chengke Bao +7 more

This paper analyzes the effect of using stale rollouts in asynchronous GRPO and derives a stability condition.

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cs.AIRecentMay 27, 2026

ZipRL: Adaptive Multi-Turn Context Compression with Hindsight Response Replay

Zhexin Hu, Li Wang, Xiaohan Wang, Jiajun Chai +3 more

ZipRL introduces an adaptive context compression framework that significantly improves the performance and efficiency of LLMs in complex, multi-turn agent tasks by combining multi-granularity compress…

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cs.DScs.DMTheoreticalRecentJul 23, 2026

Approximation Algorithms for Inventory Problems with Decomposable Submodular Ordering Costs

Retsef Levi, Georgia Perakis, Emily Zhang

This paper proposes an approximation algorithm for the submodular joint replenishment problem with decomposable submodular ordering cost functions, achieving an O(k)-approximation.

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cs.CRcs.AIcs.LGRecentApr 12, 2026

A Queueing-Theoretic Framework for Dynamic Attack Surfaces: Data-Integrated Risk Analysis and Adaptive Defense

Jihyeon Yun, Abdullah Yasin Etcibasi, Ming Shi, C. Emre Koksal

The paper introduces a queueing-theoretic framework to model dynamic cyber-attack surfaces, developing an adaptive reinforcement learning defense policy that significantly reduces active vulnerabiliti…

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q-fin.PMcs.AIRecentMay 29, 2026

Regime-Adaptive Continual Learning for Portfolio Management

Chaofan Pan, Lingfei Ren, Linbo Xiong, Yonghao Li +2 more

The paper proposes ReCAP, a novel continual learning framework for portfolio management, which adaptively combines policies from a library based on detected market regimes to achieve superior long-ter…

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stat.MLcs.LGTheoreticalRecentJul 3, 2026

A Hierarchy of Policy Learning Problems

Hamsa Bastani, Osbert Bastani, Shihan Chen

This paper provides a mathematical framework for studying different policy learning problems and shows reductions between them.

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cs.AIRecentMay 28, 2026

Structure-Induced Information for Rerooting Levin Tree Search

Jake Tuero, Michael Buro, Laurent Orseau, Levi H. S. Lelis

The paper introduces a learned 'rerooter' mechanism to improve subgoal-based policy tree search, allowing scalable search in complex environments without the overhead of explicit subgoal generation.

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cs.AIRecentMay 31, 2026

Can LLM Agents Sustain Long-Horizon Organizational Dynamics?

Xuancheng Zhu, Yang Yue, Shuaibing Wan, Zihan Dou +3 more

The paper introduces TaskWeave, a hierarchical agentic framework that successfully simulates long-horizon organizational dynamics by treating coordination as a memory-centered problem, demonstrating t…

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stat.MLcs.LGmath.STRecentJun 3, 2026

Bayesian learning for the stochastic shortest path problem

Chon Wai Ho, Sumeetpal S. Singh, Jiaqi Guo

The paper proposes a novel Bayesian framework to learn the optimal decision strategy for the stochastic shortest path problem by directly constructing the posterior beliefs for the action-value functi…

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cs.LGcs.NEq-fin.STRecentJun 3, 2026

Dynamic Multi-Pair Trading Strategy in Cryptocurrency Markets with Deep Reinforcement Learning

Damian Lebiedź, Robert Ślepaczuk

The paper develops and validates a novel Deep Reinforcement Learning (DRL) framework to enhance pair trading in volatile cryptocurrency markets, demonstrating statistically significant outperformance…

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