Model-based Reinforcement Learning and the Eluder Dimension
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Abstract (arXiv)
We consider the problem of learning to optimize an unknown Markov decision process (MDP). We show that, if the MDP can be parameterized within some known function class, we can obtain regret bounds that scale with the dimensionality, rather than cardinality, of the system. We characterize this dependence explicitly as tildeO(√dK dE T) where T is time elapsed, dK is the Kolmogorov dimension and dE is the eluder dimension. These represent the first unified regret bounds for model-based reinforcement learning and provide state of the art guarantees in several important settings. Moreover, we present a simple and computationally efficient algorithm posterior sampling for reinforcement learning (PSRL) that satisfies these bounds.
Key facts. Cited by 116 papers in the map (data through 7 Oct 2026). First posted on arXiv 7 Jun 2014.
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Citing papers per year: 2020: 1; 2021: 28; 2022: 20; 2023: 26; 2024: 17; 2025: 14; 2026: 10.
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- 2020Is Pessimism Provably Efficient for Offline RL?cited by 362
- 2021Policy Finetuning: Bridging Sample-Efficient Offline and Online Reinforcement Learningcited by 157
- 2021MobILE: Model-Based Imitation Learning From Observation Alonecited by 44
- 2023Memory-Consistent Neural Networks for Imitation Learningcited by 14
- 2024Provably and Practically Efficient Adversarial Imitation Learning with General Function Approximationcited by 6
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- 2024Provably and Practically Efficient Adversarial Imitation Learning with General Function Approximation1 Nov 2024
- 2023Memory-Consistent Neural Networks for Imitation Learning9 Oct 2023
- 2021Policy Finetuning: Bridging Sample-Efficient Offline and Online Reinforcement Learning9 Jun 2021
- 2021MobILE: Model-Based Imitation Learning From Observation Alone22 Feb 2021
- 2020Is Pessimism Provably Efficient for Offline RL?30 Dec 2020
- 2021Reinforcement Learning in Reward-Mixing MDPscited by 15
- 2023Provably Efficient Iterated CVaR Reinforcement Learning with Function Approximation and Human Feedbackcited by 13
- 2026Provably Efficient Regularized Online RLHF with Generalized Bilinear Preferencescited by 5
- 2025Offline and Online KL-Regularized RLHF under Differential Privacycited by 3
- 2026Provably Efficient Regularized Online RLHF with Generalized Bilinear Preferences26 Feb 2026
- 2025Offline and Online KL-Regularized RLHF under Differential Privacy15 Oct 2025
- 2023Provably Efficient Iterated CVaR Reinforcement Learning with Function Approximation and Human Feedback6 Jul 2023
- 2021Reinforcement Learning in Reward-Mixing MDPs7 Oct 2021
- 2021Bellman Eluder Dimension: New Rich Classes of RL Problems, and Sample-Efficient Algorithmscited by 222
- 2022Jump-Start Reinforcement Learningcited by 102
- 2021Model-free Representation Learning and Exploration in Low-rank MDPscited by 82
- 2022Human-in-the-loop: Provably Efficient Preference-based Reinforcement Learning with General Function Approximationcited by 80
- 2021Understanding Domain Randomization for Sim-to-real Transfercited by 69
- 2021Randomized Exploration for Reinforcement Learning with General Value Function Approximationcited by 49
- 2021The Power of Exploiter: Provable Multi-Agent RL in Large State Spacescited by 48
- 2021Towards General Function Approximation in Zero-Sum Markov Gamescited by 42
- 2022Corruption-Robust Algorithms with Uncertainty Weighting for Nonlinear Contextual Bandits and Markov Decision Processescited by 33
- 2021Provable Model-based Nonlinear Bandit and Reinforcement Learning: Shelve Optimism, Embrace Virtual Curvaturecited by 32
- 2022A General Framework for Sample-Efficient Function Approximation in Reinforcement Learningcited by 31
- 2023Approximate Thompson Sampling via Epistemic Neural Networkscited by 31
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- 2026Minimax-Optimality of Posterior Sampling for Reinforcement Learning27 Sep 2026
- 2026When Greedy Sampling Explores: KL-Regularized Contextual Bandits without Eluder-Dimension Dependence11 Sep 2026
- 2026WarpSAC: Towards the Pinnacle of Scalable Off-policy RL by Rethinking Exploration and Exploitation25 Aug 2026
- 2026Finite Constant Frontiers and Auditable Regret Certificates for Average-Reward Reinforcement Learning7 Aug 2026
- 2026Minimax-Optimal Policy Regret in Partially Observable Markov Games1 Jun 2026
- 2026Towards Differentially Private Reinforcement Learning with General Function Approximation7 May 2026
- 2026Posterior Sampling Reinforcement Learning with Gaussian Processes for Continuous Control: Sublinear Regret Bounds for Unbounded State Spaces9 Mar 2026
- 2026A Jointly Efficient and Optimal Algorithm for Heteroskedastic Generalized Linear Bandits with Adversarial Corruptions11 Feb 2026
- 2025Bridging Lifelong and Multi-Task Representation Learning via Algorithm and Complexity Measure3 Nov 2025
- 2025Demystifying the Mechanisms Behind Emergent Exploration in Goal-conditioned RL15 Oct 2025
- 2025On the Limits of Tabular Hardness Metrics for Deep RL: A Study with the Pharos Benchmark21 Sep 2025
- 2025Non-Linear Model-Based Sequential Decision-Making in Agriculture2 Sep 2025
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