Kybernetik og systemteori

I denne bog tager Capra og Luisi et opgør med en af videnskabens grundantagelser – at verden er som én stor maskine, vi kan splitte i stumper og stykker. Siden den videnskabelige revolution, hvor denne mekanistiske verdens- og livsforståelse blev grundlagt, har vi forsømt at erkende livet på kloden som ét sammenvævet system. Med det systemiske syn på liv følger en dyb økologisk bevidsthed og en sans for den fundamentale gensidige afhængighed, der er mellem alle fænomener i verden. Det gamle adskillelsesparadigme er ved at falde fra hinanden, og det giver håb om en ny og bedre fremtid. Selvom bogen primært er skrevet til studerende, henvender den sig også til alle, der er interesseret i en forståelse af den nye systemiske livsopfattelse og dennes betydning for en bred række fagligheder – fra politik og filosofi til medicin, psykologi og biologi. FRITJOF CAPRA er stifter af Center for Ecoliteracy i Berkeley, Californien. Han er fysiker og systemteoretiker og har beskæftiget sig med en systematisk undersøgelse af videnskabens filosofiske og sociale implikationer i de sidste 35 år. PIER LUIGI LUISI er professor i biokemi ved universitetet i Rom. Han er kemiker og stod bag de interdisciplinære Cortona-uger, og han beskæftiger sig med eksperimentelle og filosofiske aspekter ved livets oprindelse.

From the 2021 Nobel Prize winner in Physics, a remarkable journey into the practice of groundbreaking science 'Giorgio Parisi is renowned for his scientific creativity, originality, and power. In this exhilarating little book, he shows his human side, too. By its end, readers will feel they've made a charming, witty new friend' Frank WilczekThe world is shaped by complexity. In this enlightening book, Nobel Prize winner Giorgio Parisi guides us through his unorthodox yet exhilarating work to show us how. It all starts with investigating the principles of physics by observing the sophisticated flight patterns of starlings. Studying the movements of these birds, he has realized, proves an illuminating way into understanding complex systems of all kinds - collections of everything from atoms to planets to other animals like ourselves. Along the way, Parisi reflects on the lessons he's taken from a life in pursuit of scientific truth: the importance of serendipity to the discovery of new ideas, the surprising kinship between physics and other fields of study and the value of science to a thriving society. In so doing, he removes the practice of science from the confines of the laboratory and into the real world. Complexity is all around us - from climate to finance to biology, it offers a unique way of finding order in chaos. Part elegant scientific treatise, part thrilling intellectual journey, In a Flight of Starlings is an invitation to find wonder in the world around us.

In "Dawn of Distrust: Technological Threads Weaving a Trustless Society," embark on a riveting exploration into a future where trust is a relic of the past and transparency reigns supreme. Delve into the intricacies of a society transformed by technological innovation, where every aspect of life is governed by algorithms and data.Follow the journey of diverse characters as they navigate the promises and perils of a trustless world. From the unveiling of transparent systems to the unmasking of hidden secrets, each chapter unfolds with gripping suspense and thought-provoking revelations.Witness the ripple effect of technological glitches as they send shockwaves through society, exposing the fragility of human connections in the digital age. Experience the internal strife and power struggles that threaten to tear the trustless society apart, as characters grapple with the consequences of their actions in a world devoid of traditional values.But amidst the chaos and uncertainty, find hope in the resilience of the human spirit and the enduring quest for meaning and connection. "Dawn of Distrust" is a gripping tale of intrigue and suspense, offering a timely reflection on the complexities of technology and its impact on the fabric of society.Prepare to be captivated from beginning to end as you journey through the dawn of a new era, where trust is a luxury few can afford, and the threads of technology weave a tapestry of intrigue and deception.

This book provides a guide for those looking to understand the potential of blockchain technology and its impact on various industries. The book provides an in-depth exploration of blockchain technology, its use cases, and the opportunities and challenges it presents. From digital currencies and smart contracts to supply chain management and decentralized finance, the book covers all the key aspects of blockchain technology. The authors also go beyond the technical details, providing valuable insights and practical advice on how to navigate this new era of decentralization and trustless transactions. The book is an ideal read for researchers, entrepreneurs, investors, or anyone looking to stay ahead of the curve and stay informed about the future of blockchain technology.

This book investigates data security approaches in Heterogeneous Communications Networks (HCN). First, the book discusses the urgent need for a decentralized data management architecture in HCN. The book investigates preliminaries and related research to help readers obtain a comprehensive picture of the research topic. Second, the book presents three blockchain-based approaches for data management in HCN: data provenance, data query, and data marketing. Finally, based on the insights and experiences from the presented approaches, the book discusses future research directions.

This book aims to establish a systematic theory on the synchronization for wave equations with locally distributed controls. It is structured in two parts. Part I is devoted to internal controls, while Part II treats the case of mixed internal and boundary controls. The authors present necessary mathematical formulations and techniques for analyzing and solving problems in this area. They also give numerous examples and applications to illustrate the concepts and demonstrate their practical relevance. The book provides an overview of the field and offers an in-depth analysis of new results with elegant proofs. By reading this book, it can be found that due to the use of internal controls, more deep-going results on synchronization can be obtained, which makes the corresponding synchronization theory more precise and complete.Graduate students and researchers in control and synchronization for partial differential equations, functional analysis find this book useful. It is also an excellent reference in the field. Thanks to the explicit criteria given in this book for various notions of controllability and synchronization, researchers and practitioners can effectively use the control strategies described in this book and make corresponding decisions regarding system design and operation.

This book focuses in detail on data science and data analysis and emphasizes the importance of data engineering and data management in the design of big data applications. The author uses patterns discovered in a collection of big data applications to provide design principles for hypothesis generation, integrating big data processing and management, machine learning and data mining techniques.The book proposes and explains innovative principles for interpreting hypotheses by integrating micro-explanations (those based on the explanation of analytical models and individual decisions within them) with macro-explanations (those based on applied processes and model generation). Practical case studies are used to demonstrate how hypothesis-generation and -interpretation technologies work. These are based on ¿social infrastructure¿ applications like in-bound tourism, disaster management, lunar and planetary exploration, and treatment of infectious diseases.The novel methods and technologies proposed in Hypothesis Generation and Interpretation are supported by the incorporation of historical perspectives on science and an emphasis on the origin and development of the ideas behind their design principles and patterns. Academic investigators and practitioners working on the further development and application of hypothesis generation and interpretation in big data computing, with backgrounds in data science and engineering, or the study of problem solving and scientific methods or who employ those ideas in fields like machine learning will find this book of considerable interest.

Commissioned by the Society for Modeling and Simulation International (SCS), this needed, useful new ¿Body of Knowledge¿ (BoK) collects and organizes the common understanding of a wide collection of professionals and professional associations.Modeling and simulation (M&S) is a ubiquitous discipline that lays the computational foundation for real and virtual experimentation, clearly stating boundaries¿and interactions¿of systems, data, and representations. The field is well known, too, for its training support via simulations and simulators. Indeed, with computers increasingly influencing the activities of today¿s world, M&S is the third pillar of scientific understanding, taking its place along with theory building and empirical observation.This valuable new handbook provides intellectual support for all disciplines in analysis, design and optimization. It contributes increasingly to the growing number of computational disciplines, addressing the broad variety of contributing as well as supported disciplines and application domains. Further, each of its sections provide numerous references for further information. Highly comprehensive, the BoK represents many viewpoints and facets, captured under such topics as:Mathematical and Systems Theory FoundationsSimulation Formalisms and ParadigmsSynergies with Systems Engineering and Artificial IntelligenceMultidisciplinary ChallengesEthics and PhilosophyHistorical PerspectivesExamining theoretical as well as practical challenges, this unique volume addresses the many facets of M&S for scholars, students, and practitioners. As such, it affords readers from all science, engineering, and arts disciplines a comprehensive and concise representation of concepts, terms, and activities needed to explain the M&S discipline.Tuncer Ören is Professor Emeritus at the University of Ottawa. Bernard Zeigler is Professor Emeritus at the University of Arizona. Andreas Tolk is Chief Scientist at The MITRE Corporation. All three editors are long-time members and Fellows of the Society for Modeling and Simulation International. Under the leadership of three SCS Fellows, Dr. Ören, University of Ottawa, Dr. Zeigler, The University of Arizona, and Dr. Tolk, The MITRE Corporation, more than 50 international scholars from 15 countries provided insights and experience to compile this initial M&S Body of Knowledge.

This book focuses on nonextensive statistical mechanics, a current generalization of Boltzmann-Gibbs (BG) statistical mechanics.Conceived nearly 150 years ago by Maxwell, Boltzmann and Gibbs, the BG theory, one of the greatest monuments of contemporary physics, exhibits many impressive successes in physics, chemistry, mathematics, and computational sciences. Presently, several thousands of publications by scientists around the world have been dedicated to its nonextensive generalization. A variety of applications have emerged in complex systems and its mathematical grounding is by now well advanced.Since the first edition release thirteen years ago, there has been a vast amount of new results in the field, all of which have been incorporated in this comprehensive second edition. Heavily revised and updated with new sections and figures, the second edition remains the go-to text on the subject.A pedagogical introduction to the BG theory concepts and their generalizations ¿ nonlinear dynamics, extensivity of the nonadditive entropy, global correlations, generalization of the standard CLT¿s, complex networks, among others ¿ is presented in this book, as well as a selection of paradigmatic applications in various sciences together with diversified experimental verifications of some of its predictions. Introduction to Nonextensive Statistical Mechanics is suitable for students and researchers with an interest in complex systems and statistical physics.

Our lives are now deeply intertwined with the digital world, and technology's power has given us access to unparalleled levels of convenience, connectivity, and creativity. The increasing danger of cyber threats is the dark side of this digital revolution, though. The world of cyberspace is filled with potential threats that can disrupt, compromise, and damage, from shady hackers to highly developed criminal organizations and even state-sponsored entities.Welcome to "Navigating Cybersecurity: Defending Against Cyber Threats - Strategies for a Secure Online Environment." In the following pages, we'll set out on a journey into the complex field of cybersecurity, learning adversaries' tactics and examining the methods that can help you confidently negotiate this digital battlefield. Cyber threats are no longer only a thing of science fiction; they are now everywhere. They can destabilize countries, destroy businesses, invade people's privacy, and create unimaginable amounts of devastation. Not whether we will face these threats, but rather when and how. It's a brand-new kind of arms race-a race for information, attentiveness, and digital security. This e-book will give you the information and resources you need to create a stronghold in the online environment. This e-book has much to offer whether you're an individual looking to protect your personal information, a business owner protecting sensitive data, or a curious mind wanting to learn the workings of cyberwarfare.

Petri nets model concurrent and distributed systems where active components communicate through the production and absorption of various kinds of resources. Although the dynamic properties of such systems may be very complex, they may sometimes be connected to the static structure of a Petri net. Many properties are decidable, but their complexity may be huge. It is often opportune to restrict oneself to classes of systems, to partial algorithms, and to similar but simpler properties. Instead of analysing a given system, it is also possible to search for a system satisfying some desired properties by construction. This comprehensive textbook/reference presents and discusses these issues in-depth in the context of one of the most fundamental Petri net models, called place/transition nets. The presentation is fortified by means of many examples and worked exercises. Among topics addressed: ¿ In which order may actions may be generated and scheduled? ¿ What states and configurations may be reached in a concurrent system? ¿ Which interesting classes of systems can be analysed relatively efficiently? ¿ Is it possible to synthesise a system of some class from its behaviour? ¿ How can systems be represented algebraically, compositionally, and concisely? This unique text, based on introductory as well as on advanced courses on distributed systems, will serve as an invaluable guide for students and (future) researchers interested in theoretical¿as well as in practical¿aspects of Petri nets and related system models. Eike Best has been a full professor (now retired) affiliated to Carl von Ossietzky Universität Oldenburg, Germany. Raymond Devillers has been a full professor (now retired) affiliated to Université Libre de Bruxelles, Belgium. The authors have a long record as collaborators in the fields of Petri nets and the semantics of concurrency.

This volume gathers the latest advances, innovations and applications in the field of cable dynamics and aerodynamics, as presented by leading researchers and engineers at the 3rd International Symposium on Dynamics and Aerodynamics of Cables (ISDAC), held in Rome, Italy on June 15-17, 2023. The contributions encompass topics such as nonlinear cable dynamics, cable structures and moving cables, cable aging, fatigue, degradation and failure mechanisms, laboratory testing of cable dynamics and aerodynamics, computational models for cable dynamics and fluid-structure interaction, cable vibration control, cable driven parallel manipulators, monitoring of cable performance, environmental and anthropic loads on cable structures. The contributions, which were selected through a rigorous international peer-review process, share exciting ideas that will spur novel research directions and foster new multidisciplinary collaborations.

This book focuses on current trends and challenges in security threats and breaches in cyberspace which have rapidly become more common, creative, and critical. Some of the themes covered include network security, firewall security, automation in forensic science and criminal investigation, Medical of Things (MOT) security, healthcare system security, end-point security, smart energy systems, smart infrastructure systems, intrusion detection/prevention, security standards and policies, among others. This book is a useful guide for those in academia and industry working in the broad field of IT security.

"The Unification Theory" aims to unify nature's four fundamental forces: gravity, electromagnetism, the strong force, and the weak force. Inspired by physicists like Einstein and Bohm, it blends relativity and quantum physics. Using symbols >0, it explores presence and absence, setting the stage for a deep dive into dual nature. The theory delves into cosmic mechanisms, unifying forces, exploring expansion, gravity, and dark energy. Mathematical elegance and quantum entanglement underpin the theory, addressing the complex "particle zoo" and merging forces. It raises philosophical questions, emphasizing ethical scientific exploration. Envisioning a future of unraveling mysteries, it reshapes our cosmic perspective.

This textbook provides a mathematical introduction to linear systems, with a focus on the continuous-time models that arise in engineering applications such as electrical circuits and signal processing. The book introduces linear systems via block diagrams and the theory of the Laplace transform, using basic complex analysis. The book mainly covers linear systems with finite-dimensional state spaces. Graphical methods such as Nyquist plots and Bode plots are presented alongside computational tools such as MATLAB. Multiple-input multiple-output (MIMO) systems, which arise in modern telecommunication devices, are discussed in detail. The book also introduces orthogonal polynomials with important examples in signal processing and wireless communication, such as Telatar¿s model for multiple antenna transmission. One of the later chapters introduces infinite-dimensional Hilbert space as a state space, with the canonical model of a linear system. The final chapter covers modern applications to signal processing, Whittaker¿s sampling theorem for band-limited functions, and Shannon¿s wavelet. Based on courses given for many years to upper undergraduate mathematics students, the book provides a systematic, mathematical account of linear systems theory, and as such will also be useful for students and researchers in engineering. The prerequisites are basic linear algebra and complex analysis.

¿Vehicle Vibrations: Linear and Nonlinear Analysis, Optimization, and Design is a self-contained textbook that offers complete coverage of vehicle vibration topics from basic to advanced levels. Written and designed to be used for automotive and mechanical engineering courses related to vehicles, the text provides students, automotive engineers, and research scientists with a solid understanding of the principles and application of vehicle vibrations from an applied viewpoint. Coverage includes everything you need to know to analyze and optimize a vehicle¿s vibration, including vehicle vibration components, vehicle vibration analysis, flat ride vibration, tire-road separations, and smart suspensions.