Game-Theory-Assisted Reinforcement Learning for Border Defense: Early Termination based on Analytical Solutions

Fuente: arXiv
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Hauptverfasser: Das, Goutam, Dorothy, Michael, Volle, Kyle, Shishika, Daigo
Format: Preprint
Veröffentlicht: 2026
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author Das, Goutam
Dorothy, Michael
Volle, Kyle
Shishika, Daigo
author_facet Das, Goutam
Dorothy, Michael
Volle, Kyle
Shishika, Daigo
contents Game theory provides the gold standard for analyzing adversarial engagements, offering strong optimality guarantees. However, these guarantees often become brittle when assumptions such as perfect information are violated. Reinforcement learning (RL), by contrast, is adaptive but can be sample-inefficient in large, complex domains. This paper introduces a hybrid approach that leverages game-theoretic insights to improve RL training efficiency. We study a border defense game with limited perceptual range, where defender performance depends on both search and pursuit strategies, making classical differential game solutions inapplicable. Our method employs the Apollonius Circle (AC) to compute equilibrium in the post-detection phase, enabling early termination of RL episodes without learning pursuit dynamics. This allows RL to concentrate on learning search strategies while guaranteeing optimal continuation after detection. Across single- and multi-defender settings, this early termination method yields 10-20% higher rewards, faster convergence, and more efficient search trajectories. Extensive experiments validate these findings and demonstrate the overall effectiveness of our approach.
format Preprint
id arxiv_https___arxiv_org_abs_2603_15907
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Game-Theory-Assisted Reinforcement Learning for Border Defense: Early Termination based on Analytical Solutions
Das, Goutam
Dorothy, Michael
Volle, Kyle
Shishika, Daigo
Machine Learning
Systems and Control
Game theory provides the gold standard for analyzing adversarial engagements, offering strong optimality guarantees. However, these guarantees often become brittle when assumptions such as perfect information are violated. Reinforcement learning (RL), by contrast, is adaptive but can be sample-inefficient in large, complex domains. This paper introduces a hybrid approach that leverages game-theoretic insights to improve RL training efficiency. We study a border defense game with limited perceptual range, where defender performance depends on both search and pursuit strategies, making classical differential game solutions inapplicable. Our method employs the Apollonius Circle (AC) to compute equilibrium in the post-detection phase, enabling early termination of RL episodes without learning pursuit dynamics. This allows RL to concentrate on learning search strategies while guaranteeing optimal continuation after detection. Across single- and multi-defender settings, this early termination method yields 10-20% higher rewards, faster convergence, and more efficient search trajectories. Extensive experiments validate these findings and demonstrate the overall effectiveness of our approach.
title Game-Theory-Assisted Reinforcement Learning for Border Defense: Early Termination based on Analytical Solutions
topic Machine Learning
Systems and Control
url https://arxiv.org/abs/2603.15907