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Type: Artigo de periódico
Title: Emergence of allometric scaling in genealogical trees
Author: Campos, PRA
de Oliveira, VM
Maia, LP
Abstract: We investigate the emergence of power-law scalings in genealogical trees. Especially, we study the topological properties of genealogical trees both in the neutral evolution and the selective evolution. In all instances, we observe that the topologies of these trees are well described by a power-law scaling C-k similar to A(k)(n), where A(k) is the number of nodes which are direct or indirect descendants of node k and C-k = Sigma(j) A(j) where the sum is taken over all nodes that contribute to A(k). This relation is well known in transportation networks as well as in metabolic networks, and it is referred to as allometric scaling. Furthermore, we observe a slight dependence of the scaling exponent eta on the intensity of selection.
Subject: allometric scaling
coalescent theory
neutral evolution
selective evolution
power-law scalings
Country: Singapura
Editor: World Scientific Publ Co Pte Ltd
Citation: Advances In Complex Systems. World Scientific Publ Co Pte Ltd, v. 7, n. 1, n. 39, n. 46, 2004.
Rights: fechado
Identifier DOI: 10.1142/S0219525904000044
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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