4 papers
Complex networks created by aggregation
M. J. Alava, S. N. Dorogovtsev
We study aggregation as a mechanism for the creation of complex networks. In this evolution process vertices merge together, which increases the number of highly connected hubs. We…
Cluster persistence in one-dimensional diffusion--limited cluster--cluster aggregation
E. K. O. Hellen, P. E. Salmi, M. J. Alava
The persistence probability, , of a cluster to remain unaggregated is studied in cluster-cluster aggregation, when the diffusion coefficient of a cluster depends on its siz…
Particle Survival and Polydispersity in Aggregation
E. K. O. Hellen, P. E. Salmi, M. J. Alava
We study the probability, , of a cluster to remain intact in one-dimensional cluster-cluster aggregation when the cluster diffusion coefficient scales with size as $D(s) \s…
Dynamic Scaling in One-Dimensional Cluster-Cluster Aggregation
E. K. O. Hellen, T. P. Simula, M. J. Alava
We study the dynamic scaling properties of an aggregation model in which particles obey both diffusive and driven ballistic dynamics. The diffusion constant and the velocity of a c…