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On the Consensus Threshold for the Opinion Dynamics of Krause-Hegselmann
Santo Fortunato
In the consensus model of Krause-Hegselmann, opinions are real numbers between 0 and 1 and two agents are compatible if the difference of their opinions is smaller than the confide…
Do extremists impose the structure of social networks?
Philippe Blanchard, Santo Fortunato, Tyll Krueger
The structure and the properties of complex networks essentially depend on the way how nodes get connected to each other. We assume here that each node has a feature which attracts…
The Sznajd Consensus Model with Continuous Opinions
Santo Fortunato
In the consensus model of Sznajd, opinions are integers and a randomly chosen pair of neighbouring agents with the same opinion forces all their neighbours to share that opinion. W…
Number of spanning clusters at the high-dimensional percolation thresholds
Santo Fortunato, Amnon Aharony, Antonio Coniglio +1
A scaling theory is used to derive the dependence of the average number <k> of spanning clusters at threshold on the lattice size L. This number should become independent of L for…
Universality of the Threshold for Complete Consensus for the Opinion Dynamics of Deffuant et al
Santo Fortunato
In the compromise model of Deffuant et al., opinions are real numbers between 0 and 1 and two agents are compatible if the difference of their opinions is smaller than the confiden…
Damage Spreading and Opinion Dynamics on Scale Free Networks
Santo Fortunato
We study damage spreading among the opinions of a system of agents, subjected to the dynamics of the Krause-Hegselmann consensus model. The damage consists in a sharp change of the…
The Krause-Hegselmann Consensus Model with Discrete Opinions
Santo Fortunato
The consensus model of Krause and Hegselmann can be naturally extended to the case in which opinions are integer instead of real numbers. Our algorithm is much faster than the orig…
A Method to Find Community Structures Based on Information Centrality
Santo Fortunato, Vito Latora, Massimo Marchiori
Community structures are an important feature of many social, biological and technological networks. Here we study a variation on the method for detecting such communities proposed…
The Hagedorn Temperature and Partition Thermodynamics
Philippe Blanchard, Santo Fortunato, Helmut Satz
We review the resonance gas formalism of hadron thermodynamics and recall that an exponential increase of the resonance spectrum leads to a limiting temperature of hadronic matter.…