Dynamical Analysis on Polarization of Regions in Population Distribution Induced by Migrations
SUN Gongqiang1, HUO Jie1,2, WANG Peng1, HAO Rui1,2, WANG Xuming1,2
1. School of Physic and Electronic-Electrical Engineering, Ningxia University,Yinchuan 750021,China; 2. Ningxia Key Laboratory of Intelligent Sensing for Desert Information,Yinchuan 750021,China
Abstract：Abstract: To reveal behaviors of population migration driven by interests, a generalized potential for a region is suggested and defined by income per capita, public service resources per capita and average age of the people within it.The dynamic rules are: when the generalized potential for a given region is higher than the average over all of the regions,some people would like to migrate out of this region;the regions that their generalized potentials are of lower than the average will become the migration destinations,immigration regions,for the upcoming migrating people;the allocation of such upcoming migrating people to the immigration regions is determined by difference of the generalized potentials between the given region and the corresponding immigration regions.The calculated results show some regulations that govern the migrating process: the number of migration people in a region,neither immigration or emigration, decays generally in an exponential way with time,which leads to the amount of people, income per capita and public service resources per capita in the emigration/immigration region decreases /increases in an exponential/“anti-exponential” way, and finally reach a relative steady state at which the mentioned three key factors match each other. The variation of information entropy and the evolution of pattern-formation for the regions indicate that the system evolves towards order in the progress of polarization of population distribution.
孙功强, 霍杰, 王鹏, 郝睿, 王旭明. 人口迁移导致区域两极分化的动力学分析[J]. 复杂系统与复杂性科学, 2017, 14(1): 20-27.
Distribution Induced by Migrations SUN Gongqiang, HUO Jie, WANG Peng, HAO Rui, WANG Xuming. Dynamical Analysis on Polarization of Regions in Population Distribution Induced by Migrations[J]. Complex Systems and Complexity Science, 2017, 14(1): 20-27.
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