111 citations · 303 across the 14 of their papers we have counts for
9 papers · 1 filter
Minimizing the effective graph resistance by adding links is NP-hard
Robert E. Kooij, Massimo A. Achterberg
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 minimizi…
Tuning the Clustering Coefficient of Generalized Circulant Networks
Robert E. Kooij, Nikolaj Horsevad Sørensen, Roland Bouffanais
Apart from the role the clustering coefficient plays in the definition of the small-world phenomena, it also has great relevance for practical problems involving networked dynamica…
Structural transition in interdependent networks with regular interconnections
Xiangrong Wang, Robert E. Kooij, Yamir Moreno +1
Networks are often made up of several layers that exhibit diverse degrees of interdependencies. A multilayer interdependent network consists of a set of graphs that are interco…
Quantifying the robustness of metro networks
Xiangrong Wang, Yakup Koç, Sybil Derrible +2
Metros (heavy rail transit systems) are integral parts of urban transportation systems. Failures in their operations can have serious impacts on urban mobility, and measuring their…
A network approach for power grid robustness against cascading failures
Xiangrong Wang, Yakup Koç, Robert E. Kooij +1
Cascading failures are one of the main reasons for blackouts in electrical power grids. Stable power supply requires a robust design of the power grid topology. Currently, the impa…
A Topological Investigation of Phase Transitions of Cascading Failures in Power Grids
Yakup Koç, Martijn Warnier, Piet Van Mieghem +2
Cascading failures are one of the main reasons for blackouts in electric power transmission grids. The economic cost of such failures is in the order of tens of billion dollars ann…