Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

Reinforcement Learning Quantum Neural Network Hybrids for Real-Time Supply-Chain Security: Methods, Threat Models, and a Research Roadmap

Christina Evans

Published Mar 30, 2022• 0 citations
Publisher

Abstract

Global supply chains are increasingly automated, instrumented, and interconnected creating opportunities for real-time optimization but also novel, rapidly evolving security threats (tampering, insider fraud, diversion, adversarial manipulation of sensors and models). Reinforcement learning (RL) has emerged as a powerful paradigm for sequential decision making in dynamic supply-chain environments, enabling adaptive routing, anomaly response, and recovery actions. Simultaneously, quantum neural networks (QNNs) and other hybrid quantum-classical components promise richer representations and novel algorithmic primitives that may enhance sample efficiency, combinatorial search, and kernel expressivity in data-scarce or adversarial settings. This paper integrates these two frontiers and presents a comprehensive treatment of RL–QNN hybrid architectures tailored for real-time supply-chain security. We provide (1) formal problem definitions and threat models, (2) theoretical and practical descriptions of hybrid RL–QNN designs (policy/value parameterizations, quantum feature maps, gradient estimation), (3) reproducible training algorithms and pseudocode, (4) evaluation and adversarial robustness frameworks, (5) deployment and MLOps guidance for latency-bound environments, and (6) a detailed research roadmap prioritizing near-term hybrid pilots and longer-term fault-tolerant ambitions. We ground the discussion in recent literature on QNNs, variational quantum algorithms, quantum reinforcement learning, and RL for supply chains (Cerezo et al., 2021; Havlíček et al., 2019; Meyer et al., 2024; Yan, 2022; Correll et al., 2023). Practical recommendations emphasize measurable security outcomes, reproducibility, and interpretable governance.

DOI
10.64206/dt4d7q84

Related papers

AI, Data Science, and Quantum Neural Networks in E‑Commerce: Methods, Applications, Risks, and a Research Roadmap

Sophia Martinez

Ecommerce has matured into a data‑intensive ecosystem where consumer behavior, logistics, pricing, personalization, and fraud detection are driven by large, heterogeneous datasets. Classical AI and data‑science pipelines have delivered major productivity and revenue gains, yet they face limits in modeling combinatorial recommendation spaces, accelerating molecular‑scale cryptography for secure transactions, and solving certain optimization problems at scale. Quantum Neural Networks (QNNs) and hybrid quantum‑classical approaches promise novel representational capacity and computational primitives that can enrich recommender systems, optimization for supply chains, privacy‑preserving analytics, and next‑generation fraud detection. This article synthesizes theory and practice across AI, data science, and QNNs for e‑commerce. It offers: (1) a conceptual framework linking data modalities and business problems; (2) detailed methods for modeling, training, deployment, and evaluation; (3) extended technical sections on quantum representations, QNN architectures, and hybrid pipelines with reproducible pseudocode; (4) applied case studies (recommendation, dynamic pricing, inventory optimization, personalization, fraud detection, privacy); (5) engineering and MLOps considerations; (6) an ethics, privacy, and regulatory analysis; and (7) a prioritized research and deployment roadmap. The paper targets researchers and practitioners aiming to integrate quantum‑enhanced AI into production e‑commerce systems while preserving interpretability, fairness, security, and economic value.

•Mar 30, 2022•0 citations

The Quantum AI Convergence: State-of-the-Art Architectures, Enterprise Applications, and Post-Quantum Paradigms

Michael Pendleton

This paper explores the transformative intersection of quantum computing and artificial intelligence, a synergy poised to redefine the limits of computational power. As classical deep learning approaches the "scaling wall," quantum-enhanced architectures offer a path forward through superior optimization and high-dimensional data processing. Abstract / Research Description The Quantum AI Convergence provides a comprehensive technical audit of how quantum mechanics is being integrated into modern machine learning workflows. The research transitions from theoretical foundations to practical enterprise deployment, focusing on three core pillars: 1. Hybrid Quantum-Classical Architectures The study analyzes the current state of Noisy Intermediate-Scale Quantum (NISQ) devices. It explores the efficacy of Quantum Neural Networks (QNNs) and Variational Quantum Eigensolvers (VQE), demonstrating how hybrid models utilize classical hardware for backpropagation while leveraging quantum circuits for complex feature mapping. 2. Enterprise Scaling and Application Beyond the laboratory, the paper investigates high-impact industry use cases where quantum advantage is becoming tangible: Pharmaceuticals: Accelerating molecular docking and drug discovery through quantum-enhanced simulations. Finance: Optimizing multi-variable portfolios and risk assessment models that exceed the capacity of Monte Carlo simulations. Logistics: Solving NP-hard optimization problems in global supply chain routing. 3. The Post-Quantum Paradigm As AI models become more powerful, the research addresses the critical security "double-edged sword." It evaluates the necessity of Post-Quantum Cryptography (PQC) to protect sensitive AI training data against future Shor’s algorithm-based attacks, ensuring that the evolution of intelligence does not come at the cost of absolute privacy. Key Technical Themes Quantum Supremacy vs. Quantum Advantage: Distinguishing between theoretical milestones and practical business value. Tensor Networks: Their role as a bridge between classical deep learning and quantum state representations. Algorithmic Efficiency: Comparing the complexity classes of classical vs. quantum kernels, specifically focusing on Grover’s and HHL algorithms. Research Objective: To provide a roadmap for CTOs and researchers to transition from "Quantum Curious" to "Quantum Ready," establishing a framework for integrating quantum-enhanced AI into existing enterprise tech stacks.

•Apr 9, 2026•0 citations

Symbiotic Quantum-Classical Hybrid Learning for Reinforcement Learning

Jincheng Zhang

This paper proposes a novel symbiotic learning framework that synergistically integrates quantum computing and classical reinforcement learning (RL). The core idea is to leverage the unique capabilities of quantum systems – specifically, their ability to efficiently represent and explore high-dimensional state spaces – alongside the established strengths of classical RL algorithms for policy optimization. We introduce a hybrid architecture where a quantum neural network (QNN) acts as a sophisticated state processor, generating candidate actions based on the current state, while a classical RL agent learns to refine and select the optimal actions. Our approach moves beyond quantum-inspired algorithms by establishing a genuine symbiotic relationship between quantum and classical components, leading to potentially faster learning rates and improved performance in complex RL environments. The framework is described mathematically, outlining the key components and interactions. We present a detailed mathematical formulation of the system, highlighting the contributions of both the quantum and classical components. The efficacy of the system is conceptually discussed, focusing on the benefits of combining quantum exploration with classical policy learning. This paper lays the groundwork for future research in this rapidly evolving field.

•Sep 3, 2026•0 citations

Quantum Neural Networks

Syed Naseer Ahmad Shah, Sabia Hassan, Kaiser Javeed Giri

Quantum neural networks (QNNs) are a revolutionary paradigm placed at the frontier of machine learning and quantum computing. By utilizing quantum mechanical principles like superposition, entanglement, and quantum parallelism, QNNs facilitate the solution of complex machine learning problems that were thought to be impossible according to conventional models. This chapter provides a detailed study of QNNs, from elementary principles to practical applications. It begins with a rundown of the most significant concepts in machine learning and quantum computing, followed by QNN architecture, with important points including quantum gates and parameterized quantum circuits. The chapter addresses challenges in training QNNs, with special attention given to hybrid quantum-classical optimization algorithms and their utility in successful model training. It also examines multiple applications of QNNs, including simulation in quantum chemistry, optimization problems, and real-world machine learning applications, to demonstrate how they have the potential to outperform conventional algorithms in high dimensional or highly entangled data environments. This chapter provides a comparative assessment of quantum machine learning frameworks, quantum hardware platforms, and hybrid optimization methods and aids in determining the most suitable tools to design QNNs. It finally discusses possible areas of future research and research issues in the field, emphasizing the urgent need to improve quantum hardware, increase noise tolerance, and scale up. As quantum computing technology evolves, QNNs are expected to be at the center of solving some of the most complex and computationally intensive problems encountered in various industries.

Auerbach Publications eBooks•Feb 24, 2026•0 citations

A Framework for Hybrid-Quantum Neural Networks for Anomaly Detection and Optimization in Smart Grids: Challenges and Opportunities

Irene Kahvazadeh, A.C. Fong, Guan Hong

With increasing prevalence of distributed energy resources (DERs), the growing threat of cyber-physical attacks, and the need for real-time optimization present major challenges for modern smart grids. With challenges also come opportunities. Although classical machine learning (ML) models, such as deep neural networks (DNNs), have shown promise toward meeting some of these challenges, they often struggle with the computational complexity when vast volumes of grid data are involved. The problems are particularly acute in situations when real-time responses are essential. This paper proposes a framework that integrates classical and quantum neural networks (QNNs) to initiate a new paradigm of time-sensitive grid management. We explore the potential of quantum computing to enhance the capabilities of classical neural networks in two critical applications: (1) real-time anomaly detection for cybersecurity and (2) dynamic optimal power flow (OPF) management for grid stability. We propose a hybrid quantum-classical neural network framework suitable for near-term quantum devices, discuss the theoretical advantages in computational speed and model capacity, and address the significant challenges related to quantum hardware noise, algorithmic design, and data encoding. The framework is flexible enough to allow for futureproofing as QNNs and quantum computing hardware continue to evolve. Our analysis suggests that QNNs, even in their current nascent stage, hold great promise to revolutionize smart grid analytics by solving complex, time-sensitive classification and optimization problems that are currently difficult or intractable for classical methods. The study therefore lays the groundwork for a future smart grid that is more secure, efficient, and robust.

Asia-Pacific Power and Energy Engineering Conference (APPEEC)•Dec 2, 2025•0 citations

Variational Quantum Circuit-Based Reinforcement Learning for Dynamic Portfolio Optimization

Vincent Gurgul, Ying Chen, Stefan Lessmann

This paper presents a Quantum Reinforcement Learning (QRL) solution to the dynamic portfolio optimization problem based on Variational Quantum Circuits. The implemented QRL approaches are quantum analogues of the classical neural-network-based Deep Deterministic Policy Gradient and Deep Q-Network algorithms. Through an empirical evaluation on real-world financial data, we show that our quantum agents achieve risk-adjusted performance comparable to, and in some cases exceeding, that of classical Deep RL models with several orders of magnitude more parameters. However, while quantum circuit execution is inherently fast at the hardware level, practical deployment on cloud-based quantum systems introduces substantial latency, making end-to-end runtime currently dominated by infrastructural overhead and limiting practical applicability. Taken together, our results suggest that QRL is theoretically competitive with state-of-the-art classical reinforcement learning and may become practically advantageous as deployment overheads diminish. This positions QRL as a promising paradigm for dynamic decision-making in complex, high-dimensional, and non-stationary environments such as financial markets. The complete codebase is released as open source at: https://github.com/VincentGurgul/qrl-dpo-public

cs.LGCross-listedarXiv:2601.18811•Jan 21, 2026•0 citations
Global supply chains are increasingly automated, instrumented, and interconnected creating opportunities for real-time optimization but also novel, rapidly evolving security threats (tampering, insider fraud, diversion, adversarial manipulation of sensors and models). Reinforcement learning (RL) has emerged as a powerful paradigm for sequential decision making in dynamic supply-chain environments, enabling adaptive routing, anomaly response, and recovery actions. Simultaneously, quantum neural networks (QNNs) and other hybrid quantum-classical components promise richer representations and novel algorithmic primitives that may enhance sample efficiency, combinatorial search, and kernel expressivity in data-scarce or adversarial settings. This paper integrates these two frontiers and presents a comprehensive treatment of RL–QNN hybrid architectures tailored for real-time supply-chain security. We provide (1) formal problem definitions and threat models, (2) theoretical and practical descriptions of hybrid RL–QNN designs (policy/value parameterizations, quantum feature maps, gradient estimation), (3) reproducible training algorithms and pseudocode, (4) evaluation and adversarial robustness frameworks, (5) deployment and MLOps guidance for latency-bound environments, and (6) a detailed research roadmap prioritizing near-term hybrid pilots and longer-term fault-tolerant ambitions. We ground the discussion in recent literature on QNNs, variational quantum algorithms, quantum reinforcement learning, and RL for supply chains (Cerezo et al., 2021; Havlíček et al., 2019; Meyer et al., 2024; Yan, 2022; Correll et al., 2023). Practical recommendations emphasize measurable security outcomes, reproducibility, and interpretable governance.
Ecommerce has matured into a data‑intensive ecosystem where consumer behavior, logistics, pricing, personalization, and fraud detection are driven by large, heterogeneous datasets. Classical AI and data‑science pipelines have delivered major productivity and revenue gains, yet they face limits in modeling combinatorial recommendation spaces, accelerating molecular‑scale cryptography for secure transactions, and solving certain optimization problems at scale. Quantum Neural Networks (QNNs) and hybrid quantum‑classical approaches promise novel representational capacity and computational primitives that can enrich recommender systems, optimization for supply chains, privacy‑preserving analytics, and next‑generation fraud detection. This article synthesizes theory and practice across AI, data science, and QNNs for e‑commerce. It offers: (1) a conceptual framework linking data modalities and business problems; (2) detailed methods for modeling, training, deployment, and evaluation; (3) extended technical sections on quantum representations, QNN architectures, and hybrid pipelines with reproducible pseudocode; (4) applied case studies (recommendation, dynamic pricing, inventory optimization, personalization, fraud detection, privacy); (5) engineering and MLOps considerations; (6) an ethics, privacy, and regulatory analysis; and (7) a prioritized research and deployment roadmap. The paper targets researchers and practitioners aiming to integrate quantum‑enhanced AI into production e‑commerce systems while preserving interpretability, fairness, security, and economic value.
This paper explores the transformative intersection of quantum computing and artificial intelligence, a synergy poised to redefine the limits of computational power. As classical deep learning approaches the "scaling wall," quantum-enhanced architectures offer a path forward through superior optimization and high-dimensional data processing. Abstract / Research Description The Quantum AI Convergence provides a comprehensive technical audit of how quantum mechanics is being integrated into modern machine learning workflows. The research transitions from theoretical foundations to practical enterprise deployment, focusing on three core pillars: 1. Hybrid Quantum-Classical Architectures The study analyzes the current state of Noisy Intermediate-Scale Quantum (NISQ) devices. It explores the efficacy of Quantum Neural Networks (QNNs) and Variational Quantum Eigensolvers (VQE), demonstrating how hybrid models utilize classical hardware for backpropagation while leveraging quantum circuits for complex feature mapping. 2. Enterprise Scaling and Application Beyond the laboratory, the paper investigates high-impact industry use cases where quantum advantage is becoming tangible: Pharmaceuticals: Accelerating molecular docking and drug discovery through quantum-enhanced simulations. Finance: Optimizing multi-variable portfolios and risk assessment models that exceed the capacity of Monte Carlo simulations. Logistics: Solving NP-hard optimization problems in global supply chain routing. 3. The Post-Quantum Paradigm As AI models become more powerful, the research addresses the critical security "double-edged sword." It evaluates the necessity of Post-Quantum Cryptography (PQC) to protect sensitive AI training data against future Shor’s algorithm-based attacks, ensuring that the evolution of intelligence does not come at the cost of absolute privacy. Key Technical Themes Quantum Supremacy vs. Quantum Advantage: Distinguishing between theoretical milestones and practical business value. Tensor Networks: Their role as a bridge between classical deep learning and quantum state representations. Algorithmic Efficiency: Comparing the complexity classes of classical vs. quantum kernels, specifically focusing on Grover’s and HHL algorithms. Research Objective: To provide a roadmap for CTOs and researchers to transition from "Quantum Curious" to "Quantum Ready," establishing a framework for integrating quantum-enhanced AI into existing enterprise tech stacks.
This paper proposes a novel symbiotic learning framework that synergistically integrates quantum computing and classical reinforcement learning (RL). The core idea is to leverage the unique capabilities of quantum systems – specifically, their ability to efficiently represent and explore high-dimensional state spaces – alongside the established strengths of classical RL algorithms for policy optimization. We introduce a hybrid architecture where a quantum neural network (QNN) acts as a sophisticated state processor, generating candidate actions based on the current state, while a classical RL agent learns to refine and select the optimal actions. Our approach moves beyond quantum-inspired algorithms by establishing a genuine symbiotic relationship between quantum and classical components, leading to potentially faster learning rates and improved performance in complex RL environments. The framework is described mathematically, outlining the key components and interactions. We present a detailed mathematical formulation of the system, highlighting the contributions of both the quantum and classical components. The efficacy of the system is conceptually discussed, focusing on the benefits of combining quantum exploration with classical policy learning. This paper lays the groundwork for future research in this rapidly evolving field.
Quantum neural networks (QNNs) are a revolutionary paradigm placed at the frontier of machine learning and quantum computing. By utilizing quantum mechanical principles like superposition, entanglement, and quantum parallelism, QNNs facilitate the solution of complex machine learning problems that were thought to be impossible according to conventional models. This chapter provides a detailed study of QNNs, from elementary principles to practical applications. It begins with a rundown of the most significant concepts in machine learning and quantum computing, followed by QNN architecture, with important points including quantum gates and parameterized quantum circuits. The chapter addresses challenges in training QNNs, with special attention given to hybrid quantum-classical optimization algorithms and their utility in successful model training. It also examines multiple applications of QNNs, including simulation in quantum chemistry, optimization problems, and real-world machine learning applications, to demonstrate how they have the potential to outperform conventional algorithms in high dimensional or highly entangled data environments. This chapter provides a comparative assessment of quantum machine learning frameworks, quantum hardware platforms, and hybrid optimization methods and aids in determining the most suitable tools to design QNNs. It finally discusses possible areas of future research and research issues in the field, emphasizing the urgent need to improve quantum hardware, increase noise tolerance, and scale up. As quantum computing technology evolves, QNNs are expected to be at the center of solving some of the most complex and computationally intensive problems encountered in various industries.
With increasing prevalence of distributed energy resources (DERs), the growing threat of cyber-physical attacks, and the need for real-time optimization present major challenges for modern smart grids. With challenges also come opportunities. Although classical machine learning (ML) models, such as deep neural networks (DNNs), have shown promise toward meeting some of these challenges, they often struggle with the computational complexity when vast volumes of grid data are involved. The problems are particularly acute in situations when real-time responses are essential. This paper proposes a framework that integrates classical and quantum neural networks (QNNs) to initiate a new paradigm of time-sensitive grid management. We explore the potential of quantum computing to enhance the capabilities of classical neural networks in two critical applications: (1) real-time anomaly detection for cybersecurity and (2) dynamic optimal power flow (OPF) management for grid stability. We propose a hybrid quantum-classical neural network framework suitable for near-term quantum devices, discuss the theoretical advantages in computational speed and model capacity, and address the significant challenges related to quantum hardware noise, algorithmic design, and data encoding. The framework is flexible enough to allow for futureproofing as QNNs and quantum computing hardware continue to evolve. Our analysis suggests that QNNs, even in their current nascent stage, hold great promise to revolutionize smart grid analytics by solving complex, time-sensitive classification and optimization problems that are currently difficult or intractable for classical methods. The study therefore lays the groundwork for a future smart grid that is more secure, efficient, and robust.
This paper presents a Quantum Reinforcement Learning (QRL) solution to the dynamic portfolio optimization problem based on Variational Quantum Circuits. The implemented QRL approaches are quantum analogues of the classical neural-network-based Deep Deterministic Policy Gradient and Deep Q-Network algorithms. Through an empirical evaluation on real-world financial data, we show that our quantum agents achieve risk-adjusted performance comparable to, and in some cases exceeding, that of classical Deep RL models with several orders of magnitude more parameters. However, while quantum circuit execution is inherently fast at the hardware level, practical deployment on cloud-based quantum systems introduces substantial latency, making end-to-end runtime currently dominated by infrastructural overhead and limiting practical applicability. Taken together, our results suggest that QRL is theoretically competitive with state-of-the-art classical reinforcement learning and may become practically advantageous as deployment overheads diminish. This positions QRL as a promising paradigm for dynamic decision-making in complex, high-dimensional, and non-stationary environments such as financial markets. The complete codebase is released as open source at: https://github.com/VincentGurgul/qrl-dpo-public