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Detectability threshold in weighted modular networks
Filippo Radicchi, Filipi N. Silva, Alessandro Flammini +2
We study the necessary condition to detect, by means of spectral modularity optimization, the ground-truth partition in networks generated according to the weighted planted-partiti…
Scale invariance and statistical significance in complex weighted networks
Filipi N. Silva, Sadamori Kojaku, Alessandro Flammini +2
Most networks encountered in nature, society, and technology have weighted edges, representing the strength of the interaction/association between their vertices. Randomizing the s…
Universality, criticality and complexity of information propagation in social media
Daniele Notarmuzi, Claudio Castellano, Alessandro Flammini +2
Information avalanches in social media are typically studied in a similar fashion as avalanches of neuronal activity in the brain. Whereas a large body of literature reveals substa…
Percolation theory of self-exciting temporal processes
Daniele Notarmuzi, Claudio Castellano, Alessandro Flammini +2
We investigate how the properties of inhomogeneous patterns of activity, appearing in many natural and social phenomena, depend on the temporal resolution used to define individual…
Classes of critical avalanche dynamics in complex networks
Filippo Radicchi, Claudio Castellano, Alessandro Flammini +2
Dynamical processes exhibiting absorbing states are essential in the modeling of a large variety of situations from material science to epidemiology and social sciences. Such proce…
Weight Thresholding on Complex Networks
Xiaoran Yan, Lucas G. S. Jeub, Alessandro Flammini +2
Weight thresholding is a simple technique that aims at reducing the number of edges in weighted networks that are otherwise too dense for the application of standard graph theoreti…