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Boundary Value Problems for Systems of Differential, Difference and Fractional Equations: Positive Solutions discusses the concept of a differential equation that brings together a set of additional constraints called the boundary conditions. As boundary value problems arise in several branches of math given the fact that any physical differential equation will have them, this book will provide a timely presentation on the topic. Problems involving the wave equation, such as the determination of normal modes, are often stated as boundary value problems. To be useful in applications, a boundary value problem should be well posed. This means that given the input to the problem there exists a unique solution, which depends continuously on the input. Much theoretical work in the field of partial differential equations is devoted to proving that boundary value problems arising from scientific and engineering applications are in fact well-posed.

Differential equations

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This third edition differs substantially from the first, giving a greater emphasis to Runge-Kutta and general linear methods, with a new chapter on linear multistep methods. The didactic aspects of the book have been enhanced by interspersing the text with exercises. A new edition of this classic work, comprehensively revised to present exciting new developments in this important subject The study of numerical methods for solving ordinary differential equations is constantly developing and regenerating, and this third edition of a popular classic volume, written by one of the world's leading experts in the field, presents an account of the subject which reflects both its historical and well-established place in computational science and its vital role as a cornerstone of modern applied mathematics. In addition to serving as a broad and comprehensive study of numerical methods for initial value problems, this book contains a special emphasis on Runge-Kutta methods by the mathematician who transformed the subject into its modern form dating from his classic 1963 and 1972 papers. A second feature is general linear methods which have now matured and grown from being a framework for a unified theory of a wide range of diverse numerical schemes to a source of new and practical algorithms in their own right. As the founder of general linear method research, John Butcher has been a leading contributor to its development; his special role is reflected in the text. The book is written in the lucid style characteristic of the author, and combines enlightening explanations with rigorous and precise analysis. In addition to these anticipated features, the book breaks new ground by including the latest results on the highly efficient G-symplectic methods which compete strongly with the well-known symplectic Runge-Kutta methods for long-term integration of conservative mechanical systems. This third edition of Numerical Methods for Ordinary Differential Equations will serve as a key text for senior undergraduate and graduate courses in numerical analysis, and is an essential resource for research workers in applied mathematics, physics and engineering.

Differential equations

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The book provides a comprehensive, detailed and self-contained treatment of the fundamental mathematical properties of problems arising from the motion of viscous incompressible fluids around rotating obstacles. It offers a new approach to this type of problems. We derive the fundamental solution of the steady case and we give pointwise estimates of velocity and its gradient (first and second one). Each chapter is preceded by a thorough discussion of the investigated problems, along with their motivation and the strategy used to solve them. The book will be useful to researchers and graduate students in mathematics, in particular mathematical fluid mechanics and differential equations.

Differential equations. --- Ordinary Differential Equations.

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Das Buch bietet eine kompakte, grundlegende Einführung in die Theorie gewöhnlicher Differentialgleichungen aus der Perspektive der dynamischen Systeme im Umfang einer einsemestrigen Vorlesung. Über die Diskussion der Lösungstheorie und der Theorie linearer Systeme hinaus werden insbesondere einfache analytische und numerische Lösungsverfahren, Konzepte der Theorie dynamischer Systeme, Stabilität, Verzweigungen und Hamilton-Systeme behandelt. Der Stoff wird durchgängig anhand von Beispielen, Fragen, Übungsaufgaben und Computerexperimenten illustriert und vertieft. Das Buch ist besonders für das Bachelor-Studium gut geeignet, sowohl vorlesungsbegleitend zum Modul "Gewöhnliche Differentialgleichungen" als auch zum Selbststudium. Es werden nur die Grundvorlesungen in Analysis und Linearer Algebra vorausgesetzt. Der Inhalt Einführung - Lineare Differentialgleichungen - Lösungstheorie - Lösungseigenschaften - Analytische Lösungsmethoden - Numerische Lösungsmethoden - Gleichgewichte und ihre Stabilität - Lyapunov-Funktionen und Linearisierung - Spezielle Lösungen und Mengen - Verzweigungen - Attraktoren - Hamiltonsche Differentialgleichungen - Anwendungsbeispiele – Anhänge Zielgruppen - Studierende der Mathematik ab dem 3. Semester - Studierende der Informatik, Ingenieur- und Naturwissenschaften Die Autoren Dr. Lars Grüne ist Professor für Angewandte Mathematik am Mathematischen Institut der Universität Bayreuth. Dr. Oliver Junge ist Professor für Numerik komplexer Systeme am Zentrum Mathematik der Technischen Universität München.

Differential equations. --- Ordinary Differential Equations.

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Functional differential equations. --- Differential equations, Functional --- Differential equations --- Functional equations