在更高层次的复杂网络中排名集团
Yang Zhao1, Cong Li1, Dinghua Shi2
1Adaptive Networks and Control Lab, Department of Electronic Engineering, School of Information Science and Technology, Fudan University, Shanghai 200433, China.
Chaos (Woodbury, N.Y.)
|July 18, 2023
概括
本研究引入了高阶网络分析,以更好地理解复杂的系统,而不仅仅是简单的对联链接. 像高阶PageRank (HOP) 这样的新指标可以识别用于动态和控制的关键网络结构.
科学领域:
- 网络科学 网络科学
- 复杂系统分析 复杂系统分析
- 图形理论 图形理论
背景情况:
- 传统的网络分析主要是对对互动的模型,忽视了更高阶结构.
- 高阶结构显著影响网络动态,功能和新出现的现象,如同步和流行病传播.
- 了解这些高阶相互作用对于分析大规模复杂网络至关重要.
研究的目的:
- 提出新的更高层次的中心性措施,以量化和排序集团在复杂网络中的重要性.
- 评估这些新指标在识别重要节点和理解网络行为的有效性.
- 在网络同步和流行病控制等应用中展示更高阶分析的实用性.
主要方法:
- 高阶中心性指标的发展:高阶周期 (HOC) 比率,高阶程度,高阶H指数和高阶PageRank (HOP).
- 应用这些指标来分析合成和现实世界的网络数据集.
- 高级指标与传统网络分析指标的比较.
主要成果:
- 拟议的更高层次的中心性有效地减少了网络的维度,并提高了识别重要节点的准确性.
- 高级PageRank (HOP) 和高级周期 (HOC) 的指标在排名关键小组中优于传统指标.
- 通过HOP和HOC排名的集团对于保持网络连接,促进同步和控制病毒传播至关重要.
结论:
- 高阶网络分析提供了比传统的双向方法更全面的理解复杂系统.
- 开发的更高层次的中心性指标,特别是HOP和HOC,是识别网络中有影响力的结构的有效工具.
- 这些发现对网络动态,同步和疾病控制策略有重大影响.
相关概念视频
Ranks
265
Unlike parametric methods, nonparametric statistics are ideal for nominal and ordinal data, requiring fewer assumptions about the population's nature or distribution. This makes nonparametric methods easier to apply and interpret, as they do not depend on parameters like mean or standard deviation. One common approach in nonparametric analysis is to sort data according to a specific criterion. For instance, we might arrange weather data from hottest to coldest days in a month or rank cities...
265
Relationship Formation
40.1K
What do you think is the single most influential factor in determining with whom you become friends and whom you form romantic relationships? You might be surprised to learn that the answer is simple: the people with whom you have the most contact. This most important factor is proximity. You are more likely to be friends with people you have regular contact with. For example, there are decades of research that shows that you are more likely to become friends with people who live in your dorm,...
40.1K
Ladder Diagrams: Complexation Equilibria
374
Ladder diagrams are useful for evaluating equilibria involving metal-ligand complexes. The vertical scale of the ladder diagram represents the concentration of unreacted or free ligand, pL. The horizontal lines on the scale depict the log of stepwise formation constants for metal-ligand complexes and indicate the dominant species in all the regions.
The formation constant, K1, for the formation of Cd(NH3)2+ complex from cadmium and ammonia is 3.55 × 102. Log K1 (i.e. pNH3) is 2.55, and...
The formation constant, K1, for the formation of Cd(NH3)2+ complex from cadmium and ammonia is 3.55 × 102. Log K1 (i.e. pNH3) is 2.55, and...
374
Protein Networks
2.4K
2.4K
Structural Isomerism
19.5K
Isomerism in Complexes
Isomers are different chemical species that have the same chemical formula. Structural isomerism of coordination compounds can be divided into two subcategories, the linkage isomers and coordination-sphere isomers.
Linkage isomers occur when the coordination compound contains a ligand that can bind to the transition metal center through two different atoms. For example, the CN− ligand can bind through the carbon atom or through the nitrogen atom. Similarly, SCN− can...
Isomers are different chemical species that have the same chemical formula. Structural isomerism of coordination compounds can be divided into two subcategories, the linkage isomers and coordination-sphere isomers.
Linkage isomers occur when the coordination compound contains a ligand that can bind to the transition metal center through two different atoms. For example, the CN− ligand can bind through the carbon atom or through the nitrogen atom. Similarly, SCN− can...
19.5K
Routh-Hurwitz Criterion II
299
In the application of the Routh-Hurwitz criterion, two specific scenarios can arise that complicate stability analysis.
The first scenario occurs when a singular zero appears in the first column of the Routh table. This situation creates a division by zero issues. To resolve this, a small positive or negative number, denoted as epsilon (∈), is substituted for the zero. The stability analysis proceeds by assuming a sign for ∈. If ∈ is positive, any sign change in the first...
The first scenario occurs when a singular zero appears in the first column of the Routh table. This situation creates a division by zero issues. To resolve this, a small positive or negative number, denoted as epsilon (∈), is substituted for the zero. The stability analysis proceeds by assuming a sign for ∈. If ∈ is positive, any sign change in the first...
299


