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A Polynomial-Time Exact Algorithm for - Depot Capacitated Vehicle Routing Problem on a Tree

Author

Listed:
  • Liang Xu
  • Tong Zhang
  • Rantao Hu
  • Jialing Guo

Abstract

This paper proposes a polynomial-time exact algorithm for the - depot capacitated vehicle routing problem on a tree for fixed ( - depot CVRPT for short), which involves dispatching a fixed number of capacitated vehicles in depots on a tree-shaped graph to serve customers with the objective of minimizing total distance traveled. The polynomial-time exact algorithm improves the 2-approximation algorithm when is a constant.

Suggested Citation

  • Liang Xu & Tong Zhang & Rantao Hu & Jialing Guo, 2021. "A Polynomial-Time Exact Algorithm for - Depot Capacitated Vehicle Routing Problem on a Tree," Mathematical Problems in Engineering, Hindawi, vol. 2021, pages 1-8, March.
    • Handle: RePEc:hin:jnlmpe:6648044
    DOI: 10.1155/2021/6648044
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