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Under the presupposition of competition level keeping unchangeable, we construct a random evolution model of Incomplete Competitive System to explore its structure, nature and evolution behavior based on the random choice mechanism to competitors by mathematical analysis and numerical simulation. In this model, the death probability of node keeps a logarithm correlation with its original competence...
From the point of view of language, this paper studies the distributions and correlation of the social and economic indexes on the Web. Based on the computation of statistic model, it is found that these indexes, which are classified by languages of the netizens and web pages, approximately obey the power law on different scales. This paper points out that languages have been the natural boundaries...
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