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Dieses Lehrbuch bietet eine grundlegende Einführung in chaotische Systeme, welche keinerlei Abstriche an mathematischer Exaktheit macht. Der Text umfasst einerseits in ansprechender Tiefe die klassischen theoretischen Gesichtspunkte der dynamischen Systeme, wobei alle wesentlichen Beispiele der Literatur ausführlich behandelt werden. Daneben befasst er sich mit moderneren Fragestellungen, wie etwa nach der Natur der Berechenbarkeit oder der Verlässlichkeit des Computers. Die Abgrenzung zu fortgeschrittenen Methoden ist klar gegeben durch den Ausschluss statistischer Methoden. Zu den Kernphänomenen werden kurze, aber vollständige Programme in der Programmiersprache Mathematica angegeben, welche leicht zu verstehen sind und die man für das individuelle Experimentieren leicht übernehmen und anpassen kann. Über 180 Beispiele und Übungsaufgaben veranschaulichen das Material und vertiefen das Verständnis des Lesers. Biographien von historischen Schlüsselpersönlichkeiten bereichern den Text.

Dynamics. --- Ergodic theory. --- Differential equations. --- Dynamical Systems and Ergodic Theory. --- Ordinary Differential Equations.

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Das vorliegende Lehrbuch enthält eine kompakte, in Vorlesungen erprobte Einführung in diese moderne Sichtweise der GDGn, wobei der klassische Stoff nicht vernachlässigt wird. Einerseits behandelt es auf mathematisch sehr gründliche Weise die wichtigsten analytischen Methoden und Resultate der klassischen Theorie für allgemeine Anfangswertprobleme, inklusive von Sätzen zur Existenz, Eindeutigkeit, stetigen bzw. glatten Abhängigkeit und Fortsetzung von Lösungen. Auch lineare Rand- und Eigenwertprobleme werden betrachtet. Andererseits werden geometrische Konzepte wie Phasenraum, Phasenfluss, Orbit, Äquivalenz und Stabilität eingeführt sowie ausführlich diskutiert. Es wird lediglich Vertrautheit mit dem an Universitäten in Grundvorlesungen gelehrten Stoff der Analysis und der Linearen Algebra vorausgesetzt. Die Anordnung des Stoffs ist so gewählt, dass das Lehrbuch in Vorlesungen unterschiedlicher mathematischer Tiefe im Rahmen von Bachelor- und Masterstudiengängen einsetzbar ist, wobei es insbesondere eine ideale Grundlage für weiterführende Lehrveranstaltungen über dynamische Systeme ist.

Differential equations. --- Dynamics. --- Ergodic theory. --- Ordinary Differential Equations. --- Dynamical Systems and Ergodic Theory.

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This book provides an introduction to the topological classification of smooth structurally stable diffeomorphisms on closed orientable 2- and 3-manifolds.The topological classification is one of the main problems of the theory of dynamical systems and the results presented in this book are mostly for dynamical systems satisfying Smale's Axiom A. The main results on the topological classification of discrete dynamical systems are widely scattered among many papers and surveys. This book presents these results fluidly, systematically, and for the first time in one publication. Additionally, this book discusses the recent results on the topological classification of Axiom A diffeomorphisms focusing on the nontrivial effects of the dynamical systems on 2- and 3-manifolds. The classical methods and approaches which are considered to be promising for the further research are also discussed. < The reader needs to be familiar with the basic concepts of the qualitative theory of dynamical systems which are presented in Part 1 for convenience. The book is accessible to ambitious undergraduates, graduates, and researchers in dynamical systems and low dimensional topology. This volume consists of 10 chapters; each chapter contains its own set of references and a section on further reading. Proofs are presented with the exact statements of the results. In Chapter 10 the authors briefly state the necessary definitions and results from algebra, geometry and topology. When stating ancillary results at the beginning of each part, the authors refer to other sources which are readily available.

Topology. --- Dynamics. --- Ergodic theory. --- Differential equations. --- Dynamical Systems and Ergodic Theory. --- Ordinary Differential Equations.

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For over 300 years, differential equations have served as an essential tool for describing and analyzing problems in many scientific disciplines. This carefully-written textbook provides an introduction to many of the important topics associated with ordinary differential equations. Unlike most textbooks on the subject, this text includes nonstandard topics such as a chapter on perturbation methods and a section in Chapter 3 that shows how to solve differential equations using Mathematica codes. In addition to the nonstandard topics, this text also contains contemporary material in the area as well as its classical topics. This second edition is updated to be compatible with Mathematica, version 7.0, and all Mathematica codes are in the book itself. This new edition also provides 81 additional exercises, a new section in Chapter 1 on the generalized logistic equation, an additional theorem in Chapter 2 concerning fundamental matrices, and many further enhancements to the first edition. This book can be used either for a second course in ordinary differential equations or as an introductory course for well-prepared students. The prerequisites for this book are three semesters of calculus and a course in linear algebra, although the needed concepts from linear algebra are introduced along with examples in the book. An undergraduate course in analysis is needed for the more theoretical subjects covered in the final two chapters.

Mathematics. --- Ordinary Differential Equations. --- Dynamical Systems and Ergodic Theory. --- Differentiable dynamical systems. --- Differential Equations. --- Mathématiques --- Dynamique différentiable --- Differential equations.

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This book provides an introduction to the ergodic theory and topological dynamics of actions of countable groups. It is organized around the theme of probabilistic and combinatorial independence, and highlights the complementary roles of the asymptotic and the perturbative in its comprehensive treatment of the core concepts of weak mixing, compactness, entropy, and amenability. The more advanced material includes Popa's cocycle superrigidity, the Furstenberg-Zimmer structure theorem, and sofic entropy. The structure of the book is designed to be flexible enough to serve a variety of readers. The discussion of dynamics is developed from scratch assuming some rudimentary functional analysis, measure theory, and topology, and parts of the text can be used as an introductory course. Researchers in ergodic theory and related areas will also find the book valuable as a reference.

Dynamics. --- Ergodic theory. --- Group theory. --- Functional analysis. --- Dynamical Systems and Ergodic Theory. --- Group Theory and Generalizations. --- Functional Analysis.