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- Title
GEOGRAPHICAL EFFECTS ON EPIDEMIC SPREADING IN SCALE-FREE NETWORKS.
- Authors
XU, XIN-JIAN; WANG, WEN-XU; ZHOU, TAO; CHEN, GUANRONG
- Abstract
Many real networks are embedded in a metric space: the interactions among individuals depend on their spatial distances and usually take place among their nearest neighbors. In this paper, we introduce a modified susceptible-infected-susceptible (SIS) model to study geographical effects on the spread of diseases by assuming that the probability of a healthy individual infected by an infectious one is inversely proportional to the Euclidean distance between them. It is found that geography plays a more important role than hubs in disease spreading: the more geographically constrained the network is, the more highly the epidemic prevails.
- Subjects
EPIDEMICS; METRIC spaces; GENERALIZED spaces; MATHEMATICAL models; SET theory
- Publication
International Journal of Modern Physics C: Computational Physics & Physical Computation, 2006, Vol 17, Issue 12, p1815
- ISSN
0129-1831
- Publication type
Article
- DOI
10.1142/S0129183106010194