Stratifying Reinforcement Learning with Signal Temporal Logic

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Hauptverfasser: Curry, Justin, Speranzon, Alberto
Format: Preprint
Veröffentlicht: 2026
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author Curry, Justin
Speranzon, Alberto
author_facet Curry, Justin
Speranzon, Alberto
contents In this paper, we develop a stratification-based semantics for Signal Temporal Logic (STL) in which each atomic predicate is interpreted as a membership test in a stratified space. This perspective reveals a novel correspondence principle between stratification theory and STL, showing that most STL formulas can be viewed as inducing a stratification of space-time. The significance of this interpretation is twofold. First, it offers a fresh theoretical framework for analyzing the structure of the embedding space generated by deep reinforcement learning (DRL) and relates it to the geometry of the ambient decision space. Second, it provides a principled framework that both enables the reuse of existing high-dimensional analysis tools and motivates the creation of novel computational techniques. To ground the theory, we (1) illustrate the role of stratification theory in Minigrid games and (2) apply numerical techniques to the latent embeddings of a DRL agent playing such a game where the robustness of STL formulas is used as the reward. In the process, we propose computationally efficient signatures that, based on preliminary evidence, appear promising for uncovering the stratification structure of such embedding spaces.
format Preprint
id arxiv_https___arxiv_org_abs_2604_04923
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Stratifying Reinforcement Learning with Signal Temporal Logic
Curry, Justin
Speranzon, Alberto
Machine Learning
Logic in Computer Science
Systems and Control
Algebraic Topology
58A35
In this paper, we develop a stratification-based semantics for Signal Temporal Logic (STL) in which each atomic predicate is interpreted as a membership test in a stratified space. This perspective reveals a novel correspondence principle between stratification theory and STL, showing that most STL formulas can be viewed as inducing a stratification of space-time. The significance of this interpretation is twofold. First, it offers a fresh theoretical framework for analyzing the structure of the embedding space generated by deep reinforcement learning (DRL) and relates it to the geometry of the ambient decision space. Second, it provides a principled framework that both enables the reuse of existing high-dimensional analysis tools and motivates the creation of novel computational techniques. To ground the theory, we (1) illustrate the role of stratification theory in Minigrid games and (2) apply numerical techniques to the latent embeddings of a DRL agent playing such a game where the robustness of STL formulas is used as the reward. In the process, we propose computationally efficient signatures that, based on preliminary evidence, appear promising for uncovering the stratification structure of such embedding spaces.
title Stratifying Reinforcement Learning with Signal Temporal Logic
topic Machine Learning
Logic in Computer Science
Systems and Control
Algebraic Topology
58A35
url https://arxiv.org/abs/2604.04923