Quantum Annealing Approaches to Solving the Shipment Rerouting Problems

• URL: http://arxiv.org/abs/2501.05624v1
• Date: Thu, 09 Jan 2025 23:47:23 GMT
• Title: Quantum Annealing Approaches to Solving the Shipment Rerouting Problems
• Authors: Fei Li, Arul Rhik Mazumder, Max Zhao,
• Abstract summary: We study a shipment rerouting problem (SRP) which generalizes many NP-hard sequencing and packing problems. The objective is to select a set of trucks and to schedule these trucks' routes so that the total cost is minimized. We use novel mathematical programming formulations and new insights into solving sequencing and packing problems simultaneously.
• Score: 7.888128236684232
• License:
• Abstract: In this paper, we study a shipment rerouting problem (SRP) which generalizes many NP-hard sequencing and packing problems. A SRP's solution has ample practical applications in vehicle scheduling and transportation logistics. Given a network of hubs, a set of goods must be delivered by trucks from their source-hubs to their respective destination-hubs. The objective is to select a set of trucks and to schedule these trucks' routes so that the total cost is minimized. The problem SRP is NP-hard; only classical approximation algorithms have been known for some of its NP-hard variants. In this work, we design classical algorithms and quantum annealing algorithms for this problem with various capacitated trucks. The algorithms that we design use novel mathematical programming formulations and new insights into solving sequencing and packing problems simultaneously. Such formulations take advantage of network infrastructure, shipments, and truck capacities. We conduct extensive experiments showing that in various scenarios, the quantum annealing solver generates near-optimal or optimal solutions much faster than the classical algorithm solver.

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