Augmenting Graphs to Minimize the Diameter

Fabrizio Frati, Serge Gaspers, Joachim Gudmundsson*, Luke Mathieson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


We study the problem of augmenting a weighted graph by inserting edges of bounded total cost while minimizing the diameter of the augmented graph. Our main result is an FPT 4-approximation algorithm for the problem.

Original languageEnglish
Pages (from-to)995-1010
Number of pages16
Issue number4
Publication statusPublished - 19 Aug 2015


  • Approximation algorithms
  • Graph Algorithms
  • Parametrized complexity

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