On the vehicle routing problem

Piotr Berman, Surajit K. Das, Penske Logistics

    Research output: Contribution to journalConference articlepeer-review

    3 Scopus citations

    Abstract

    In the Vehicle Routing Problem (VRP), as in the Traveling Salesman Problem (TSP), we have a metric space of customer points, and we have to visits all customers. Additionally, every customer has a demand, a quantity of a commodity that has to be delivered in our vehicle from a single point called the depot. Because the vehicle capacity is bounded, we need to return to the depot each time we run out of the commodity to distribute. We describe a fully polynomial time algorithm with approximation 2.5, we also modify this algorithm for the on-line version of VRP, the randomized version has competitive ratio of 2.5 on the average, and the deterministic version has ratio 4. We also describe 2 approximation for a restricted version of the problem.

    Original languageEnglish (US)
    Pages (from-to)360-371
    Number of pages12
    JournalLecture Notes in Computer Science
    Volume3608
    DOIs
    StatePublished - 2005
    Event9th International Workshop on Algorithms and Data Structures, WADS 2005 - Waterloo, Canada
    Duration: Aug 15 2005Aug 17 2005

    All Science Journal Classification (ASJC) codes

    • Theoretical Computer Science
    • General Computer Science

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