Görnerup Olof, Crutchfield James P
Department of Physical Resource Theory, Chalmers University of Technology, Göteborg, Sweden.
Artif Life. 2008 Summer;14(3):245-54. doi: 10.1162/artl.2008.14.3.14301.
Current analyses of genomes from numerous species show that the diversity of their functional and behavioral characters is not proportional to the number of genes that encode the organism. We investigate the hypothesis that the diversity of organismal character is due to hierarchical organization. We do this with the recently introduced model of the finitary process soup, which allows for a detailed mathematical and quantitative analysis of the population dynamics of structural complexity. Here we show that global complexity in the finitary process soup is due to the emergence of successively higher levels of organization, that the hierarchical structure appears spontaneously, and that the process of structural innovation is facilitated by the discovery and maintenance of relatively noncomplex, but general, individuals in a population.
目前对众多物种基因组的分析表明，它们功能和行为特征的多样性与编码该生物体的基因数量不成正比。我们研究了这样一种假说，即生物体特征的多样性源于层次组织。我们通过最近引入的有限过程汤模型来进行研究，该模型允许对结构复杂性的种群动态进行详细的数学和定量分析。在这里我们表明，有限过程汤中的全局复杂性是由于相继出现的更高层次组织的出现，层次结构是自发出现的，并且结构创新过程通过在种群中发现和维持相对不复杂但具有通用性的个体而得到促进。
