Memory effect in growing trees

Details Memory effect in growing trees Memory effect in growing trees

2003-04-30

arxiv.org/abs/cond-mat/0304693v4

Physica A345 (2005) 326

Physics

Condensed Matter

Disordered Systems and Neural Networks

9 pages, 9 figures

Scientific paper

10.1016/j.physa.2004.07.026

We show that the structure of a growing tree preserves an information on the shape of an initial graph. For the exponential trees, evidence of this kind of memory is provided by means of the iterative equations, derived for the moments of the node-node distance distribution. Numerical calculations confirm the result and allow to extend the conclusion to the Barabasi--Albert scale-free trees. The memory effect almost disappears, if subsequent nodes are connected to the network with more than one link.

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