relation: http://eprints.imtlucca.it/2245/
title: A generalized preferential attachment model for complex systems
creator: Yamasaki, Kazuko
creator: Matia, Kaushik
creator: Fu, Dongfeng
creator: Buldyrev, Sergey V.
creator: Pammolli, Fabio
creator: Riccaboni, Massimo
creator: Stanley, H. Eugene
subject: HB Economic Theory
subject: RS Pharmacy and materia medica
description: Complex systems can be characterized by classes of equivalency of their elements defined according to system specific rules. We propose a generalized preferential attachment model to describe the class size distribution. The model postulates preferential growth of the existing classes and the steady influx of new classes. We investigate how the distribution depends on the initial conditions and changes from a pure exponential form for zero influx of new classes to a power law with an exponential cutoff form when the influx of new classes is substantial. We apply the model to study the growth dynamics of pharmaceutical industry. 
publisher: ArXiv
date: 2005
type: Working Paper
type: NonPeerReviewed
identifier:   Yamasaki, Kazuko and Matia, Kaushik and Fu, Dongfeng and Buldyrev, Sergey V. and Pammolli, Fabio and Riccaboni, Massimo and Stanley, H. Eugene  A generalized preferential attachment model for complex systems.  Working Paper  # /2005    ArXiv       (Unpublished)