Minimizing the effective graph resistance by adding links is NP-hard

Journal Article (2023)
Author(s)

Robert Kooij (TU Delft - Quantum & Computer Engineering, TNO)

Massimo A. Achterberg (TU Delft - Network Architectures and Services)

Department
Quantum & Computer Engineering
Copyright
© 2023 Robert Kooij, M.A. Achterberg
DOI related publication
https://doi.org/10.1016/j.orl.2023.10.002
More Info
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Publication Year
2023
Language
English
Copyright
© 2023 Robert Kooij, M.A. Achterberg
Department
Quantum & Computer Engineering
Issue number
6
Volume number
51
Pages (from-to)
601-604
Reuse Rights

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Abstract

The effective graph resistance, also known as the Kirchhoff index, is metric that is used to quantify the robustness of a network. We show that the optimisation problem of minimizing the effective graph resistance of a graph by adding a fixed number of links, is NP-hard.