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This book develops concepts and a methodology for a rational description of the organization of three-dimensional flows considering, in particular, the case where the flow is the place of separations. The descriptive analysis based on the critical point theory of Poincare develops conventional but rather unfamiliar considerations from aerodynamicists, who face the understanding of complex flows including multiple separation lines and vortices. These problems concern industrial sectors where aerodynamics plays a key role, such as aerospace, ground vehicles, buildings, etc. Contents 1. Skin Friction Lines Pattern and Critical Points. 2. Separation Streamsurfaces and Vortex Structures. 3. Separated Flow on a Body. 4. Vortex Wake of Wings and Slender Bodies. 5. Separation Induced by an Obstacle or a Blunt Body. 6. Reconsideration of the Two-Dimensional Separation. 7. Concluding Remarks. About the Authors Jean Delery is a Supaero (French National Higher School of Aeronautics and Space) engineer who has worked at Onera (French national aerospace research center) since 1964. He has participated in several major French and European aerospace programs, is the author of many scientific publications, and has occupied various teaching positions particularly at Supaero, the University of Versailles-Saint-Quentin, Ecole polytechnique in France and “La Sapienza” University in Rome, Italy. He is currently emeritus adviser at Onera.

The problem of value pluralism permeates modern political philosophy. Its presence can be felt even when it is not explicitly the central topic under investigation. Political thinkers such as Max Weber, Isaiah Berlin and Stuart Hampshire derive pessimistic, sometimes tragic, conclusions from their reflections upon pluralism. On the other hand, there is a more optimistic view represented by John Rawls and Jurgen Habermas that sees value pluralism as a problem that is easier to live with. This book presents the first accessible overview for both post- and undergraduate students of the way in which this problem has been understood and responded to by modern political thinkers.

The first chapter of this title concerns virtualization techniques that allow sharing computational resources basically, slicing a real computational environment into virtual computational environments that are isolated from one another. The Xen and OpenFlow virtualization platforms are then presented in Chapter 2 and a performance analysis of both is provided. This chapter also defines the primitives that the network virtualization infrastructure must provide for allowing the piloting plane to manage virtual network elements. Following this, interfaces for system management of the two platforms are proposed in Chapter 3. To control and manage virtual network elements, five primitives that the network virtualization infrastructure must provide are defined: instantiate, delete, migrate, monitor and set. The book then moves on to survey existing control algorithms for virtual networking. It also describes the main challenges for packet forwarding using Xen as a virtualization tool and describes, in more detail, a proposal for local control of virtual networks. Within each physical node, this proposal guarantees the service level acquired by each virtual network, even in the presence of misbehaving virtual networks. Contents 1. Virtualization, Luis Henrique M.K. Costa. 2. Virtual Network Interfaces, Miguel Elias M. Campista. 3. Performance Improvement and Control of Virtual Network Elements, Igor M. Moraes. 4. State of the Art in Context-Aware Technologies, Edmundo R.M. Madeira and Guy Pujolle. 5. Providing Isolation and Quality-of-Service to Virtual Networks, Miguel Elias M. Campista. 6. Piloting System, Edmundo R.M. Madeira and Nelson Luis S. Da Fonseca. 7. Management and Control: The Situated View, Otto Carlos M.B. Duarte. 8. System Architecture Design, Otto Carlos M.B. Duarte. About the Authors Otto Carlos M.B. Duarte is Full Professor at Universidade Federal do Rio de Janeiro in Brazil, where he has worked since 1978. His research interests include mobile communications, security, multicast, and QoS guarantees. Guy Pujolle is currently Professor at University Pierre and Marie Curie (Paris VI) in France and a member of the Scientific Advisory Board of Orange/France Telecom Group. He has published widely in the area of computer systems modeling and performance, queuing theory, high-speed networks, intelligence in networking, wireless networks, and Post-IP networks, including 19 influential texts and monographs in these areas.

Captures the 17th-19th century origins and developments ofpolitical economy by editing original texts and illuminatingtheir relevance for today's political debate Political economy from the 17th century to the present can be captured in two narratives originating with Locke and Rousseau. Those original narratives were expanded in significant ways in the 18th and 19th centuries, and the editors argue that they still hold sway today. Edited original writings included in the anthology are from: Locke, Rousseau, Adam Smith, Tocqueville, Mill, Marx, Proudhon, Owen, the Federalist Papers, the French Declaration of the Rights of Man and the Citizen, and the American Constitution. The editors have restricted their comments to the extensive introductions thereby allowing the original participants to speak for themselves. The readings included are intended to be instructive with respect to the origin and development of the two narratives rather than an exhaustive account of how thinkers and writers on economics advance the discipline of economics as a social science. Reviews «The editors provide a compelling collection to critically frame the clash of Political Economy which shapes modern democracies. Their selections and introductions expertly paint a picture of the contending schools to suggest how enduring these core challenges remain. By placing these writers within this great debate, the authors guide students to discover the essential questions of liberty, equality, and the proper role of the state at the core of the American economic debate.» —Roberta Q. Herzberg, Utah State University Political Science «The real service performed by Capaldi and Lloyd is to provide generous excerpts from supporters of both narratives so that the reader can determine for themselves who best makes their case. I recommend this volume highly both to the individual interested in learning about the intellectual and political history of political economy and to the professor in search of a one-volume anthology on political economy for use in a course on economic thought.» —Steven D. Ealy, Senior Fellow, Liberty Fund, Inc.