Quantum-Assisted Vehicle Routing: Realizing QAOA-based Approach on Gate-Based Quantum Computer

• URL: http://arxiv.org/abs/2505.01614v1
• Date: Fri, 02 May 2025 22:31:01 GMT
• Title: Quantum-Assisted Vehicle Routing: Realizing QAOA-based Approach on Gate-Based Quantum Computer
• Authors: Talha Azfar, Ruimin Ke, Osama Muhammad Raisuddin, Jose Holguin-Veras,
• Abstract summary: Vehicle Routing Problem (VRP) is a crucial optimization challenge with significant economic and environmental implications.<n>In this work, we explore the application of the Quantum Approximate Optimization Algorithm (QAOA) to solve instances of VRP.<n>Our study investigates the impact of problem size on quantum circuit complexity and evaluate the feasibility of executing QAOA-based VRP solutions on near-term quantum hardware.
• Score: 3.5323691899538128
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The Vehicle Routing Problem (VRP) is a crucial optimization challenge with significant economic and environmental implications, particularly in logistics and transportation planning. While classical algorithms struggle to efficiently solve large-scale instances of VRP due to its combinatorial complexity, quantum computing presents a promising alternative for tackling such problems. In this work, we explore the application of the Quantum Approximate Optimization Algorithm (QAOA) to solve instances of VRP, analyzing its effectiveness and scalability. We formulate VRP as a Quadratic Unconstrained Binary Optimization (QUBO) problem by encoding the constraints into a single cost function suitable for QAOA. Our study investigates the impact of problem size on quantum circuit complexity and evaluate the feasibility of executing QAOA-based VRP solutions on near-term quantum hardware. The results indicate that while QAOA demonstrates potential for solving VRP, the primary limitation lies in circuit depth and noise-induced errors, which critically affect performance on current quantum processors. Overcoming these challenges will require advancements in error mitigation techniques and more efficient quantum circuit designs to realize the full potential of quantum computing for combinatorial optimization.

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