If you don't see anything above, please install Java 1.4.

Two nodes merge and one of the nodes collect all links. Then a new node is created with the number of links that were removed in the merging process to avoid double links. The two nodes can be selected in two different ways: As the the two nodes in the ends of a randomly selected link, or as a randomly selected node and a randomly selected nearest neighbor to this node. When pressing "Initialize" the network is reshuffled to a fully connected random network.
The number of links in the system can be changed between 249 and 500. The more links a node has, the closer to the center of the network the node is plotted.

Merging or aggregation is a dynamical process in many systems and it gives rise to fractal size-distributions. For example, the size distribution of dust particles in space was treated in an aggregation model in the 60s (Field and  Saslow 1965). Companies, the autonomous system of the Internet and the sun
activity of magnetic field lines reconnections are networks that undergo processes that resembles the merging process. The merging process is therefore also interesting as a network model, especially as the degree distribution in many real-world networks have a power-law behavior.

Self Organized Scale-Free Networks from Merging and Regeneration.

Self-organization of structures and networks from merging and small-scale fluctuations.
Physica A 340, Issue 4, 15 September 2004

A simple model for self organization of bipartite networks.
Europhys. Lett., 67 (3), pp. 349-354 (2004)


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