课题基金 / 基金详情

CIF: Small: SPREADING PROCESSES OVER MULTILAYER AND INTERCONNECTED NETWORKS

CIF: Small: SPREADING PROCESSES OVER MULTILAYER AND INTERCONNECTED NETWORKS
CIF:小型:在多层和互连网络上传播流程
批准号:
1423411
负责人:
Caterina Scoglio
金额:
$49.95万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2014
资助国家:
美国
项目状态:
已结题
起止时间:
2014-07-15 至 2018-06-30

项目摘要

项目成果

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中文摘要
翻译
该项目通过分析多层和互连网络上的传播过程来推进网络理论的边界,这些网络在自然和人造基础设施中比比皆是,并且许多有趣的问题仍未得到解答。多层网络是一种抽象表示,其中节点之间存在多种类型的链接。互联网络是一种抽象的表示,其中两个或多个简单的网络,可能具有不同的和独立的动态,相互耦合。该项目的基本原理是,多层和互连网络上的病毒传播动力学表现出不能归因于单一网络特征的行为,并在实践中发挥高度相关的作用。该项目的第一部分将确定爆发条件的流行病阈值的概念扩展到互联和多层网络的阈值曲线。本研究进一步发展措施,量化的耦合强度在互联网络,并寻求最佳的互连设计。该项目的第二部分旨在预测多层网络上的竞争传播和可能出现的现象。本文分析了多层网络中多病毒竞争传播的瞬态动力学和稳态行为,并在博弈论框架下研究了竞争策略。该项目将使用来自网络科学、谱图理论、非线性动力学、随机过程、控制理论、博弈论和最优化等领域的严格数学工具,该项目的成功完成将极大地推进网络理论的最新发展,并在通信和信息技术中进行具体的相关应用,从而使这些复杂的网络系统的设计更加有效和稳健。从更广泛的角度来看,这项研究将通过更好地了解如何预防大规模灾难,包括电网连锁故障,市场交易中的金融传染,传染病大流行和计算机恶意软件的爆发,为社会做出积极贡献。此外,研究人员将做出重大努力,让来自代表性不足群体的学生参与进来,并通过出版物、网络研讨会和公共网页在一般社会和学术界传播项目成果。
英文摘要
This project advances the boundaries of network theory by analyzing spreading processes over multilayer and interconnected networks, which abound in nature and man-made infrastructures, and about which many interesting questions remain unanswered. Multilayer networks are an abstract representation where multiple types of links exist among nodes. Interconnected networks are an abstract representation where two or more simple networks, possibly with different and separate dynamics, are coupled to each other. The rationale for this project is that viral-spreading dynamics over multilayer and interconnected networks exhibit behaviors that cannot be attributed to single-network characteristics and play a highly relevant role in practice. The first part of the project extends the concept of the epidemic threshold value, which determines the conditions for outbreak, to the threshold curve for interconnected and multilayer networks. This research further develops measures for quantification of coupling strength in interconnected networks and seeks optimal interconnection designs for them. The second part of the project aims at predicting competitive spreading over multilayer networks and possible emergent phenomena. This research analyzes transient dynamics and steady-state behavior of multiple-virus competitive spreading in multilayer networks, and investigates competition policy in a game-theoretic framework. This project will use rigorous mathematical tools from network science, spectral graph theory, nonlinear dynamics, stochastic processes, control theory, game theory, and optimization.Successful completion of this project will greatly advance the state of the art in network theory, with specific, relevant applications in communications and information technologies leading to more efficient and robust design of these complex networked systems. In a broader view, this research will contribute positively to society through a better understanding of how to prevent large-scale catastrophes, including cascading failures in power grids, financial contagions in market trading, infectious disease pandemics, and outbreaks of computer malware. Furthermore, the investigators will put forth significant effort to involve students from under-represented groups, and disseminate project outcomes in both general society and academia through publications, webinars, and public webpages.
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