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• W3208384077 abstract "To monitor risk in temporal financial networks, we need to understand how individual behaviours affect the global evolution of networks. Here we define a structural importance metric—which we denote as le—for the edges of a network. The metric is based on perturbing the adjacency matrix and observing the resultant change in its largest eigenvalues. We then propose a model of network evolution where this metric controls the probabilities of subsequent edge changes. We show using synthetic data how the parameters of the model are related to the capability of predicting whether an edge will change from its value of le. We then estimate the model parameters associated with five real financial and social networks, and we study their predictability. These methods have applications in financial regulation whereby it is important to understand how individual changes to financial networks will impact their global behaviour. It also provides fundamental insights into spectral predictability in networks, and it demonstrates how spectral perturbations can be a useful tool in understanding the interplay between micro and macro features of networks." @default.
• W3208384077 created "2021-11-08" @default.
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• W3208384077 date "2021-01-01" @default.
• W3208384077 modified "2023-09-26" @default.
• W3208384077 title "Evaluating structural edge importance in temporal networks" @default.
• W3208384077 hasPublicationYear "2021" @default.
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