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- Davide Cellai, Eduardo Lopez, Jie Zhou, James P. Gleeson, Ginestra Bianconi
- Physical review. E, Statistical, nonlinear, and…
- 2013

From transportation networks to complex infrastructures, and to social and communication networks, a large variety of systems can be described in terms of multiplexes formed by a set of nodes interacting through different networks (layers). Multiplexes may display an increased fragility with respect to the single layers that constitute them. However, so far… (More)

Mathematics Applications Consortium for Science and Industry, Department of Mathematics and Statistics, University of Limerick, Limerick, Ireland; Department of Biostatistics, Harvard School of Public Health, Boston, MA 02115; Oxford Centre for Industrial and Applied Mathematics, Mathematical Institute, University of Oxford, Oxford OX2 6GG, United Kingdom;… (More)

- Davide Cellai, Aonghus Lawlor, Kenneth A. Dawson, James P. Gleeson
- Physical review letters
- 2011

k-core percolation is an extension of the concept of classical percolation and is particularly relevant to understanding the resilience of complex networks under random damage. A new analytical formalism has been recently proposed to deal with heterogeneous k-cores, where each vertex is assigned a local threshold k(i). In this Letter we identify a binary… (More)

- Davide Cellai, Sergey N. Dorogovtsev, Ginestra Bianconi
- Physical review. E
- 2016

Multiplex networks describe a large variety of complex systems, including infrastructures, transportation networks, and biological systems. Most of these networks feature a significant link overlap. It is therefore of particular importance to characterize the mutually connected giant component in these networks. Here we provide a message passing theory for… (More)

- Matthew Stabeler, Davide Cellai, Simon A. Dobson, Paddy Nixon
- ICUMT
- 2009

We propose a prototype for a real-world, human network proximity experiment with detailed recordings of the position of individuals. Our aim is to provide a comprehensive dataset to investigate the internal correlations between mobility and network properties, as well as to compare our results with different datasets, involving different social groups or… (More)

- Gareth J. Baxter, Sergey N. Dorogovtsev, Jose F. F. Mendes, Davide Cellai
- Physical review. E, Statistical, nonlinear, and…
- 2014

Bootstrap percolation is a simple but nontrivial model. It has applications in many areas of science and has been explored on random networks for several decades. In single-layer (simplex) networks, it has been recently observed that bootstrap percolation, which is defined as an incremental process, can be seen as the opposite of pruning percolation, where… (More)

- Davide Cellai, Ginestra Bianconi
- Physical review. E
- 2016

In multiplex networks with a large number of layers, the nodes can have different activities, indicating the total number of layers in which the nodes are present. Here we model multiplex networks with heterogeneous activity of the nodes and we study their robustness properties. We introduce a percolation model where nodes need to belong to the giant… (More)

- James P. Gleeson, Davide Cellai, Jukka-Pekka Onnela, Mason A. Porter, Felix Reed-Tsochas
- Proceedings of the National Academy of Sciences…
- 2014

Human activities increasingly take place in online environments, providing novel opportunities for relating individual behaviors to population-level outcomes. In this paper, we introduce a simple generative model for the collective behavior of millions of social networking site users who are deciding between different software applications. Our model… (More)

- Davide Cellai, Aonghus Lawlor, Kenneth A. Dawson, James P. Gleeson
- Physical review. E, Statistical, nonlinear, and…
- 2013

k-core percolation is a percolation model which gives a notion of network functionality and has many applications in network science. In analyzing the resilience of a network under random damage, an extension of this model is introduced, allowing different vertices to have their own degree of resilience. This extension is named heterogeneous k-core… (More)

- Graham Williamson, Davide Cellai, Simon A. Dobson, Paddy Nixon
- IWSOS
- 2009

Many modern network applications, including sensor networks and MANETs, have dynamic topologies that reflect processes occurring in the outside world. These dynamic processes are a challenge to traditional information dissemination techniques, as the appropriate strategy changes according to the changes in topology. We show how network dynamics can be… (More)