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Sun, P. (author), He, Z. (author), Kooij, Robert (author), Van Mieghem, P.F.A. (author)Optical networks are vulnerable to failures due to targeted attacks or large-scale disasters. The recoverability of optical networks refers to the ability of an optical network to return to a desired performance level after suffering topological perturbations such as link failures. This paper proposes a general topological approach and...journal article 2021
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Kooij, Robert (author)In this paper we will consider generalizations of the class of so-called windmill graphs, which were recently introduced by Estrada [6]. A windmill graph W(η,k) consists of η copies of the complete graph Kk, with every node connected to a common node. Estrada [6] showed that the clustering coefficient and the transitivity index of windmill...journal article 2019
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Rueda, Diego F. (author), Calle, Eusebi (author), Wang, X. (author), Kooij, Robert (author)Interconnection between telecommunication networks and other critical infrastructures is usually established through nodes that are spatially close, generating a geographical interdependency. Previous work has shown that in general, geographically interdependent networks are more robust with respect to cascading failures when the...journal article 2018