在隔离模型中的流动性限制
Daniele Gambetta1,2, Giovanni Mauro3,4,5, Luca Pappalardo6
1Institute of Information Science and Technologies, National Research Council (ISTI-CNR), Pisa, Italy. daniele.gambetta@phd.unipi.it.
Scientific reports
|July 26, 2023
概括
这项研究引入了一种新的城市隔离模型,该模型具有移动性限制. 结果显示,由于代理物运动模式,分离率较低,融合速度较慢.
科学领域:
- 城市研究是城市研究.
- 计算社会科学 计算社会科学
- 基于代理人的建模.
背景情况:
- 原始的谢林模型是研究城市隔离的一个基本工具.
- 现有的改进还没有纳入现实的人类移动模式.
- 人类的移动性往往表现出对较短距离和更密集位置的偏好.
研究的目的:
- 提出和分析一个以代理为基础的城市隔离模型,包括移动限制.
- 调查将现实的移动模式纳入如何影响隔离动态和融合.
- 为了提供一个更现实的模拟城市代理人运动及其对隔离的影响.
主要方法:
- 开发一种基于新型剂的分离模型,将距离和位置与代理物运动相关性结合起来.
- 模拟结果的比较,从移动性受限制的模型与原来的谢林模型.
- 分析代理的运动模式,特别是"不快乐"的代理,以及它们对隔离水平和融合时间的影响.
主要成果:
- 与原来的谢林模型相比,受限移动的模型显示了较低的整体隔离水平.
- 在移动性受限制的模型中,趋于稳定状态的时间更长.
- 一些持续不满意的少数派代理人集中移动被确定为长期融合和减少隔离的关键因素.
结论:
- 流动性限制显著改变了城市隔离的动态,导致隔离减少,但稳定速度较慢.
- 特定代理人群的移动,特别是不满意的少数代理人,在模型结果中起着至关重要的作用.
- 纳入现实的流动性限制为理解和解决城市隔离提供了更准确的表征.
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