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From networked SIS model to the Gompertz function
Ernesto Estrada, Paolo Bartesaghi
The Gompertz function is one of the most widely used models in the description of growth processes in many different fields. We obtain a networked version of the Gompertz function…
Non-uniform random graphs on the plane: A scaling study
C. T. Martinez-Martinez, J. A. Mendez-Bermudez, Francisco A. Rodrigues +1
We consider random geometric graphs on the plane characterized by a non-uniform density of vertices. In particular, we introduce a graph model where vertices are independently…
Loss of structural balance in stock markets
E. Ferreira, S. Orbe, J. Ascorbebeitia +2
We use rank correlations as distance functions to establish the interconnectivity between stock returns, building weighted signed networks for the stocks of seven European countrie…
Hubs-biased resistance distances on graphs and networks
Ernesto Estrada, Delio Mugnolo
We define and study two new kinds of "effective resistances" based on hubs-biased -- hubs-repelling and hubs-attracting -- models of navigating a graph/network. We prove that these…
Where to cut to delay a pandemic with minimum disruption? Mathematical analysis based on the SIS model
Paolo Bartesaghi, Ernesto Estrada
We consider the problem of modifying a network topology in such a way as to delay the propagation of a disease with minimal disruption of the network capacity to reroute goods/item…