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Algebraic topology --- 51 <082.1> --- Mathematics--Series --- Homotopy theory. --- Algebra, Homological. --- Representations of groups. --- Algebraic topology. --- Homotopie --- Algèbre homologique --- Représentations de groupes --- Topologie algébrique --- Algebra, Homological --- Homotopy theory --- Representations of groups --- Homological algebra --- Algebra, Abstract --- Homology theory --- Group representation (Mathematics) --- Groups, Representation theory of --- Group theory --- Deformations, Continuous --- Topology --- Homotopie. --- Algèbre homologique. --- Représentations de groupes. --- Topologie algébrique.

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Topological groups. Lie groups --- 515.142 --- H-spaces --- Loop spaces --- Representations of groups --- Group representation (Mathematics) --- Groups, Representation theory of --- Group theory --- Spaces, Loop --- Homotopy theory --- Topological spaces --- Hopf spaces --- Spaces, Hopf --- Topological groups --- General theorems on fundamental categories and functors --- 515.142 General theorems on fundamental categories and functors --- Loop spaces. --- H-spaces. --- Representations of groups. --- Espaces de lacets --- H-espaces --- Représentations de groupes --- Espaces de lacets. --- H-espaces. --- Représentations de groupes.

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Multiprocessor platforms play important roles in modern computing systems, and appear in various applications, ranging from energy-limited hand-held devices to large data centers. As the performance requirements increase, energy-consumption in these systems also increases significantly. Dynamic Voltage and Frequency Scaling (DVFS), which allows processors to dynamically adjust the supply voltage and the clock frequency to operate on different power/energy levels, is considered an effective way to achieve the goal of energy-saving. This book surveys existing works that have been on energy-aware task scheduling on DVFS multiprocessor platforms. Energy-aware scheduling problems are intrinsically optimization problems, the formulations of which greatly depend on the platform and task models under consideration. Thus, Energy-aware Scheduling on Multiprocessor Platforms covers current research on this topic and classifies existing works according to two key standards, namely, homogeneity/heterogeneity of multi­processor platforms and the task types considered. Under this classification, other sub-issues are also included, such as, slack reclamation, fixed/dynamic priority sched­uling, partition-based/global scheduling, and application-specific power consumption, etc.

Computer scheduling. --- Electronic data processing -- Distributed processing. --- Multiprocessor. --- Electronic data processing --- Computer scheduling --- System design --- Engineering & Applied Sciences --- Electrical & Computer Engineering --- Computer Science --- Electrical Engineering --- Distributed processing --- Multiprocessors. --- Engineering. --- Operations research. --- Decision making. --- Microprocessors. --- Electric power production. --- Electronic circuits. --- Energy Technology. --- Circuits and Systems. --- Processor Architectures. --- Operation Research/Decision Theory. --- Electronic digital computers --- Multiprogramming (Electronic computers) --- Parallel processing (Electronic computers) --- Systems engineering. --- Computer science. --- Energy Systems. --- Operations Research/Decision Theory. --- Operational analysis --- Operational research --- Industrial engineering --- Management science --- Research --- System theory --- Informatics --- Science --- Engineering systems --- System engineering --- Engineering --- System analysis --- Design and construction --- Energy systems. --- Deciding --- Decision (Psychology) --- Decision analysis --- Decision processes --- Making decisions --- Management --- Management decisions --- Choice (Psychology) --- Problem solving --- Minicomputers --- Electron-tube circuits --- Electric circuits --- Electron tubes --- Electronics --- Decision making

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This book focuses on AdS3/CFT2, addressing different aspects of this correspondence in field theory and in gravity, including entanglement entropy, higher genus partition function, and conformal block. Holographic entanglement entropy is an important area in holographic and quantum information, which implies a deep relation between geometry and quantum entanglement. In this book, the authors use holographic entanglement entropy as a tool to investigate AdS3/CFT2. They study the entanglement entropy at high temperature in field theory and in holographics, and show that the results match each other in classical and one-loop order. In the AdS3/CFT2 system, they examine in detail the correspondence, exploring the higher genus partition function, entanglement entropy in a general system and conformal block, and they find good correspondence in field theory and gravity. The result strongly supports AdS3/CFT2 correspondence. In addition, they develop several important techniques in 2d CFT and 3d gravity, which also offer inspiration for other fields.

Quantum entanglement. --- Entangled states (Quantum theory) --- Quantum theory --- Quantum field theory. --- String theory. --- Quantum computers. --- Spintronics. --- Quantum Field Theories, String Theory. --- Quantum Information Technology, Spintronics. --- Relativistic quantum field theory --- Field theory (Physics) --- Relativity (Physics) --- Fluxtronics --- Magnetoelectronics --- Spin electronics --- Spinelectronics --- Microelectronics --- Nanotechnology --- Computers --- Models, String --- String theory --- Nuclear reactions

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This book offers the latest research results in recent development on the principles, techniques and applications in mobile crowdsourcing. It presents state-of-the-art content and provides an in-depth overview of the basic background in this related field. Crowdsourcing involves a large crowd of participants working together to contribute or produce goods and services for the society. The early 21st century applications of crowdsourcing can be called crowdsourcing 1.0, which includes businesses using crowdsourcing to accomplish various tasks, such as the ability to offload peak demand, access cheap labor, generate better results in a timely matter, and reach a wider array of talent outside the organization. Mobile crowdsensing can be described as an extension of crowdsourcing to the mobile network to combine the idea of crowdsourcing with the sensing capacity of mobile devices. As a promising paradigm for completing complex sensing and computation tasks, mobile crowdsensing serves the vital purpose of exploiting the ubiquitous smart devices carried by mobile users to make conscious or unconscious collaboration through mobile networks. Considering that we are in the era of mobile internet, mobile crowdsensing is developing rapidly and has great advantages in deployment and maintenance, sensing range and granularity, reusability, and other aspects. Due to the benefits of using mobile crowdsensing, many emergent applications are now available for individuals, business enterprises, and governments. In addition, many new techniques have been developed and are being adopted. This book will be of value to researchers and students targeting this topic as a reference book. Practitioners, government officials, business organizations and even customers -- working, participating or those interested in fields related to crowdsourcing will also want to purchase this book.

Crowdsourcing. --- Mobile computing. --- Electronic data processing --- Context-aware computing --- Portable computers --- Crowd sourcing --- Distributed cognition --- Computer networks. --- Wireless communication systems. --- Mobile communication systems. --- Computer networks—Security measures. --- Computer Communication Networks. --- Wireless and Mobile Communication. --- Mobile and Network Security. --- Vehicles --- Vehicular communication systems --- Radio --- Wireless communication systems --- Communication systems, Wireless --- Wireless data communication systems --- Wireless information networks --- Wireless telecommunication systems --- Telecommunication systems --- Communication systems, Computer --- Computer communication systems --- Data networks, Computer --- ECNs (Electronic communication networks) --- Electronic communication networks --- Networks, Computer --- Teleprocessing networks --- Data transmission systems --- Digital communications --- Electronic systems --- Information networks --- Telecommunication --- Cyberinfrastructure --- Network computers --- Communication systems --- Distributed processing