mlsanityData to 7 Oct 2026

Model-Based Reinforcement Learning with Multinomial Logistic Function Approximation

arXiv 2212.13540 ↗First posted 27 Dec 2022stat.ML cs.LGcited by 13

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Abstract (arXiv)

We study model-based reinforcement learning (RL) for episodic Markov decision processes (MDP) whose transition probability is parametrized by an unknown transition core with features of state and action. Despite much recent progress in analyzing algorithms in the linear MDP setting, the understanding of more general transition models is very restrictive. In this paper, we establish a provably efficient RL algorithm for the MDP whose state transition is given by a multinomial logistic model. To balance the exploration-exploitation trade-off, we propose an upper confidence bound-based algorithm. We show that our proposed algorithm achieves tildeO(d √H3 T) regret bound where d is the dimension of the transition core, H is the horizon, and T is the total number of steps. To the best of our knowledge, this is the first model-based RL algorithm with multinomial logistic function approximation with provable guarantees. We also comprehensively evaluate our proposed algorithm numerically and show that it consistently outperforms the existing methods, hence achieving both provable efficiency and practical superior performance.

Key facts. Cited by 13 papers in the map (data through 7 Oct 2026). Builds on 34 of its 58 references that are in the map. First posted on arXiv 27 Dec 2022.

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34 of 58 references.

References · 34

  1. 2019Provably Efficient Reinforcement Learning with Linear Function Approximationcited by 514
  2. 2017Minimax Regret Bounds for Reinforcement Learningcited by 500
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  4. 2016Contextual Decision Processes with Low Bellman Rank are PAC-Learnablecited by 290
  5. 2013(More) Efficient Reinforcement Learning via Posterior Samplingcited by 233
  6. 2020Model-Based Reinforcement Learning with Value-Targeted Regressioncited by 233
  7. 2019Provably Efficient Exploration in Policy Optimizationcited by 203
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22 more
  1. 2019Is a Good Representation Sufficient for Sample Efficient Reinforcement Learning?cited by 140
  2. 2020Almost Optimal Model-Free Reinforcement Learning via Reference-Advantage Decompositioncited by 127
  3. 2014Model-based Reinforcement Learning and the Eluder Dimensioncited by 116
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  6. 2020Provably Efficient Reinforcement Learning for Discounted MDPs with Feature Mappingcited by 102
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  17. 2017Posterior sampling for reinforcement learning: worst-case regret boundscited by 28
  18. 2019Perturbed-History Exploration in Stochastic Linear Banditscited by 28
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Citing papers per year: 2023: 3; 2024: 3; 2025: 4; 2026: 3.

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