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The Cartographer
A note on the complexity of the picker routing problem in multi-block warehouses and related problems
December 04, 2023 Β· Declared Dead Β· π Annals of Operations Research
"No code URL or promise found in abstract"
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Authors
Thibault Prunet, Nabil Absi, Diego Cattaruzza
arXiv ID
2312.01857
Category
cs.DS: Data Structures & Algorithms
Cross-listed
cs.CC,
math.OC
Citations
3
Venue
Annals of Operations Research
Last Checked
4 months ago
Abstract
The Picker Routing Problem (PRP), which consists of finding a minimum-length tour between a set of storage locations in a warehouse, is one of the most important problems in the warehousing logistics literature. Despite its popularity, the tractability of the PRP in multi-block warehouses remains an open question. This technical note aims to fill this research gap by establishing that the problem is strongly NP-hard. As a corollary, the complexity status of other related problems is settled.
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