空间公共品博弈中种群密度的影响
PDF下载 (479)肖 尧,刘进军*,文爱兵.空间公共品博弈中种群密度的影响[J].宁波大学学报(理工版),2012,25(03):83-87.DOI:
XIAO Yao,LIU Jin-jun*,WEN Ai-bing.Effect of Population Density in Spatial Public Goods Game[J].Journal of Ningbo University(Natural Science & Engineering Edition),2012,25(03):83-87.DOI:
| Title: | Effect of Population Density in Spatial Public Goods Game |
| 作者: | 肖 尧, 刘进军*, 文爱兵 |
| Author(s): | XIAO Yao, LIU Jin-jun*, WEN Ai-bing |
| 关键词: | 公共品博弈; 种群密度; 空间分布; 合作演化 |
| Keywords: | public goods game; population density; spatial distribution; cooperation evolution |
| 分类号: | O414.22; O414.13 |
| 文献标识码: | A |
| 摘要: | 采用Monte Carlo 数值模拟方法, 对周期性边界条件下空间公共品博弈进行了研究, 讨论 了在学习和迁移两种策略的共同作用下, 种群密度对空间分布和合作演化的影响. 密度较低时, 合作者与背叛者共存; 随着密度的增大, 合作者的比例增加; 密度较高时, 系统由共存态转变为 纯粹的合作态; 但密度足够高时, 合作行为完全消失. 并通过研究空间形貌, 对这些不同的合作 演化行为进行了分析. |
| Abstract: | With effects of the imitation and migration of the individuals in the spatial public goods game, the influence of population density on cooperation is studied using Monte Carlo simulation. When the density is low, the cooperators and defectors can coexist. As the density increases, the proportion of cooperator augments and the cooperation may thrive. On the contrary, the cooperation vanishes in circumstances with adequately high density. The evolutions of the spatial patterns of cooperators are investigated and the different evolution mechanisms of cooperation is analyzed. |
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| 备注/Memo: | 收稿日期: 2012?04?16. 宁波大学学报（理工版）网址: http://3xb.nbu.edu.cn 基金项目: 国家自然科学基金（10575055）. 第一作者: 肖 尧（1987－）, 男, 河南信阳人, 在读硕士研究生, 主要研究方向: 非平衡统计与复杂系统. E-mail: xy1987_2006@yahoo.com.cn *通讯作者: 刘进军（1980－）, 男, 山西阳泉人, 硕士/助理研究员, 主要研究方向: 非平衡统计与复杂系统. E-mail: liujinjun@nbu.edu.cn 宁波大学学报（理工版）网址：http://journallg.nbu.edu.cn/ |
