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A unified treatment of the vulnerabilities that exist in real-world network systems—with tools to identify synergies for mergers and acquisitions Fragile Networks: Identifying Vulnerabilities and Synergies in an Uncertain World presents a comprehensive study of network systems and the roles these systems play in our everyday lives. This book successfully conceptualizes, defines, and constructs mathematically rigorous, computer-based tools for the assessment of network performance and efficiency, along with robustness and vulnerability analysis. The result is a thorough exploration that promotes an understanding of the critical infrastructure of today's network systems, from congested urban transportation networks and supply chain networks under disruption to financial networks and the Internet. The authors approach the analyses by abstracting not only topological structures of networks, but also the behavior of network users, the demand for resources, the resulting flows, and the associated costs. Following an introduction to the fundamental methodologies and tools required for network analysis and network vulnerability, the book is organized into three self-contained parts: Part I—Network Fundamentals, Efficiency Measurement, and Vulnerability Analysis explores the theoretical and practical foundations for a new network efficiency measure in order to assess the importance of network components in various network systems. Methodologies for distinct decision-making behaviors are outlined, along with the tools for qualitative analysis, the algorithms for the computation of solutions, and a thorough discussion of the unified network efficient measure and network robustness with the unified measure. Part II—Applications and Extensions examines the efficiency changes and the associated cost increments after network components are eliminated or partially damaged. A discussion of the recently established connections between transportation networks and different critical networks is provided, which demonstrates how the new network measures and robustness indices can be applied to different supply chain, financial, and dynamic networks, including the Internet and electronic power networks. Part III—Mergers and Acquisitions, Network Integration, and Synergies reveals the connections between transportation networks and different network systems and quantifies the synergies associated with the network systems, from total cost reduction to environmental impact assessment. In the case of mergers and acquisitions, the focus is on supply chain networks. The authors outline a system-optimization perspective for supply chain networks and also formalize coalition formation using game theory with insights into the merger paradox. With its numerous network examples and real-world applications, Fragile Networks: Identifying Vulnerabilities and Synergies in an Uncertain World is an excellent book for courses in network science, transportation science, operations management, and financial networks at the upper-undergraduate and graduate levels. It is also a valuable reference for researchers and practitioners in the areas of applied mathematics, computer science, operations research, management science, finance, and economics, as well as industrial, systems, and civil engineering. Listen to Dr. Nagurney's podcast Supernetworks: Building Better Real and Virtual Highways at http://www.scienceofbetter.org/podcast/ .
This book introduces a novel approach to the design and operation of large ICT systems. It views the technical solutions and their stakeholders as complex adaptive systems and argues that traditional risk analyses cannot predict all future incidents with major impacts. To avoid unacceptable events, it is necessary to establish and operate anti-fragile ICT systems that limit the impact of all incidents, and which learn from small-impact incidents how to function increasingly well in changing environments. The book applies four design principles and one operational principle to achieve anti-fragility for different classes of incidents. It discusses how systems can achieve high availability, prevent malware epidemics, and detect anomalies. Analyses of Netflix’s media streaming solution, Norwegian telecom infrastructures, e-government platforms, and Numenta’s anomaly detection software show that cloud computing is essential to achieving anti-fragility for classes of events with negative impacts.
This text offers an international and interdisciplinary analysis of the complex interactions between infrastructure networks and urban spaces. Drawing on case studies and examples from across the globe, it offers a statement on the urban condition.
This book brings a major new resource to organization studies: the work of Norbert Elias. By applying his ideas in a critical but sympathetic way, the authors provide a new perspective on the never-ending stream of management fads and fashions. Standing back and taking a more detached perspective, inspired by the work of Norbert Elias (1897-1990), it becomes clear that many 'new' types of organizations are often variations on an old theme.Elias gives us considerable purchase on current debates through his emphasis on long-term historical perspectives, his highlighting of issues of power, emotion and subjectivity, his interweaving of analysis at the level of the state, the organization, groups, and individuals, his alternative 'take' on issues of agency and structure, and his relevance to a wide range of current organization theories. The contributions show the current relevance of Elias's work in numerous fields of organizational analysis such as the sociology of finance and markets, the comparative and cross-cultural study of organization, comparative management development, organizational meetings, organizational boundaries, gossip and privacy in organizations, emotion in organizations, and the significance of humiliation within organizations. It is, indeed, "time for Elias"!
This book presents the latest research advances in complex network structure analytics based on computational intelligence (CI) approaches, particularly evolutionary optimization. Most if not all network issues are actually optimization problems, which are mostly NP-hard and challenge conventional optimization techniques. To effectively and efficiently solve these hard optimization problems, CI based network structure analytics offer significant advantages over conventional network analytics techniques. Meanwhile, using CI techniques may facilitate smart decision making by providing multiple options to choose from, while conventional methods can only offer a decision maker a single suggestion. In addition, CI based network structure analytics can greatly facilitate network modeling and analysis. And employing CI techniques to resolve network issues is likely to inspire other fields of study such as recommender systems, system biology, etc., which will in turn expand CI’s scope and applications. As a comprehensive text, the book covers a range of key topics, including network community discovery, evolutionary optimization, network structure balance analytics, network robustness analytics, community-based personalized recommendation, influence maximization, and biological network alignment. Offering a rich blend of theory and practice, the book is suitable for students, researchers and practitioners interested in network analytics and computational intelligence, both as a textbook and as a reference work.
According to Paul Ormerod, author of the bestselling Butterfly Economics and Why Most Things Fail, the mechanistic viewpoint of conventional economics is drastically limited - because it cannot comprehend the vital nature of networks. As our societies become ever more dynamic and intertwined, network effects on every level are increasingly profound. 'Nudge theory' is popular, but only part of the answer. To grapple successfully with the current financial crisis, businesses and politicians need to grasp the perils and possibilities of Positive Linking. Our social and economic worlds have been revolutionised by a massive increase in our awareness of the choices, decisions, behaviours and opinions of other people. For the first time in human history, more than half of us live in cities, and this combined with the Internet has transformed communications. Network effects - the fact that a person can and often does decide to change his or her behaviour simply on the basis of copying what others do - pervade the modern world. As Ormerod shows, network effects make conventional approaches to policy, whether in the public or corporate sectors, much more likely to fail. But they open up the possibility of truly 'Positive Linking' - of more subtle, effective and successful policies, ones which harness our knowledge of network effects and how they work in practice.
Shortly after the financial crisis of 2007-2008 many authors began to write about certain “huge institutions” potentially able to damage the entire financial system through negative shocks, approaching the issue of systemic risk in banking through the evaluation of the so called “Too-Big-to-Fail” actors. While the size of a bank is certainly a factor of risk when considering systemic implications, this book also explores the properties of some deeply interconnected institutions. The author’s main intuition is based on the renowned work by Mark Granovetter on “The Strength of Weak Ties” and “Economic Action and Social Structure: The Problem of Embeddedness”: dangerous flows, like financial shocks, may travel very quickly through networks in unexpectedly efficient ways thanks to “Weak Ties”. The existence of weaker yet longer ties implies a naturally “robust yet fragile” network where even distant actors are closely interconnected, sharing both opportunities and risks. As a consequence, some nodes may act as key actors under the structural perspective. It is therefore critical for the central authority to identify and closely monitor said institutions. Thanks to a journey through the history of Social Network Analysis this book offers a complete overview on the evolution of the methodology and the most recent applications to systemic risk assessment, which are completed by a critical approach towards the “Too-Interconnected-to-Fail” perspective.
Chicago has garnered national recognition by winning the World Series, the Super Bowl, and a string of titles in the National Basketball Association. But amateur sports also play a large role in the city's athletic traditions, especially in schools and youth leagues. In fourteen chapters, experts focus on multiple aspects of Chicago sports, including long looks at amateur boxing, the impact of gender and ethnicity in sports, the politics of horse racing and stadium building, the lasting scandal of the Black Sox, and the perpetual heartbreak of the Cubs. Well illustrated with forty photographs, this volume will help historians and sports fans alike appreciate the longstanding importance of sports in Chicago. Contributors are Peter Alter, Robin F. Bachin, Larry Bennett, Linda J. Borish, Gerald Gems, Elliott J. Gorn, Richard Kimball, Gabe Logan, Daniel A. Nathan, Timothy Neary, Steven A. Riess, John Russick, Timothy Spears, Costas Spirou, and Loic Wacquant.
Despite the enduring importance of the U.S.-Japan security alliance, the broader relationship between the two countries is today beset by sobering new difficulties. In this comprehensive comparative analysis of the transpacific alliance and its political, economic, and social foundations, Kent E. Calder, a leading Japan specialist, asserts that bilateral relations between the two countries are dangerously eroding as both seek broader options in a globally oriented world. Calder documents the quiet erosion of America's multidimensional ties with Japan as China rises, generations change, and new forces arise in both American and Japanese politics. He then assesses consequences for a twenty-first-century military alliance with formidable coordination requirements, explores alternative foreign paradigms for dealing with the United States, adopted by Britain, Germany, and China, and offers prescriptions for restoring U.S.-Japan relations to vitality once again.