Learning POMDPs with Linear Function Approximation and Finite Memory

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1. Verfasser: Kara, Ali Devran
Format: Preprint
Veröffentlicht: 2025
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author Kara, Ali Devran
author_facet Kara, Ali Devran
contents We study reinforcement learning with linear function approximation and finite-memory approximations for partially observed Markov decision processes (POMDPs). We first present an algorithm for the value evaluation of finite-memory feedback policies. We provide error bounds derived from filter stability and projection errors. We then study the learning of finite-memory based near-optimal Q values. Convergence in this case requires further assumptions on the exploration policy when using general basis functions. We then show that these assumptions can be relaxed for specific models such as those with perfectly linear cost and dynamics, or when using discretization based basis functions.
format Preprint
id arxiv_https___arxiv_org_abs_2505_14879
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Learning POMDPs with Linear Function Approximation and Finite Memory
Kara, Ali Devran
Optimization and Control
Systems and Control
We study reinforcement learning with linear function approximation and finite-memory approximations for partially observed Markov decision processes (POMDPs). We first present an algorithm for the value evaluation of finite-memory feedback policies. We provide error bounds derived from filter stability and projection errors. We then study the learning of finite-memory based near-optimal Q values. Convergence in this case requires further assumptions on the exploration policy when using general basis functions. We then show that these assumptions can be relaxed for specific models such as those with perfectly linear cost and dynamics, or when using discretization based basis functions.
title Learning POMDPs with Linear Function Approximation and Finite Memory
topic Optimization and Control
Systems and Control
url https://arxiv.org/abs/2505.14879