Variational Techniques For Elliptic Partial Differential Equations
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Variational Techniques for Elliptic Partial Differential Equations
Author | : Francisco J. Sayas,Thomas S. Brown,Matthew E. Hassell |
Publsiher | : CRC Press |
Total Pages | : 492 |
Release | : 2019-01-16 |
Genre | : Mathematics |
ISBN | : 9780429016202 |
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Variational Techniques for Elliptic Partial Differential Equations, intended for graduate students studying applied math, analysis, and/or numerical analysis, provides the necessary tools to understand the structure and solvability of elliptic partial differential equations. Beginning with the necessary definitions and theorems from distribution theory, the book gradually builds the functional analytic framework for studying elliptic PDE using variational formulations. Rather than introducing all of the prerequisites in the first chapters, it is the introduction of new problems which motivates the development of the associated analytical tools. In this way the student who is encountering this material for the first time will be aware of exactly what theory is needed, and for which problems. Features A detailed and rigorous development of the theory of Sobolev spaces on Lipschitz domains, including the trace operator and the normal component of vector fields An integration of functional analysis concepts involving Hilbert spaces and the problems which can be solved with these concepts, rather than separating the two Introduction to the analytical tools needed for physical problems of interest like time-harmonic waves, Stokes and Darcy flow, surface differential equations, Maxwell cavity problems, etc. A variety of problems which serve to reinforce and expand upon the material in each chapter, including applications in fluid and solid mechanics
Qualitative Analysis of Nonlinear Elliptic Partial Differential Equations
Author | : Vicentiu D. Radulescu,Vicenţiu D. Rădulescu |
Publsiher | : Hindawi Publishing Corporation |
Total Pages | : 205 |
Release | : 2008 |
Genre | : Differential equations, Elliptic |
ISBN | : 9789774540394 |
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This book provides a comprehensive introduction to the mathematical theory of nonlinear problems described by elliptic partial differential equations. These equations can be seen as nonlinear versions of the classical Laplace equation, and they appear as mathematical models in different branches of physics, chemistry, biology, genetics, and engineering and are also relevant in differential geometry and relativistic physics. Much of the modern theory of such equations is based on the calculus of variations and functional analysis. Concentrating on single-valued or multivalued elliptic equations with nonlinearities of various types, the aim of this volume is to obtain sharp existence or nonexistence results, as well as decay rates for general classes of solutions. Many technically relevant questions are presented and analyzed in detail. A systematic picture of the most relevant phenomena is obtained for the equations under study, including bifurcation, stability, asymptotic analysis, and optimal regularity of solutions. The method of presentation should appeal to readers with different backgrounds in functional analysis and nonlinear partial differential equations. All chapters include detailed heuristic arguments providing thorough motivation of the study developed later on in the text, in relationship with concrete processes arising in applied sciences. A systematic description of the most relevant singular phenomena described in this volume includes existence (or nonexistence) of solutions, unicity or multiplicity properties, bifurcation and asymptotic analysis, and optimal regularity. The book includes an extensive bibliography and a rich index, thus allowing for quick orientation among the vast collection of literature on the mathematical theory of nonlinear phenomena described by elliptic partial differential equations.
Variational Methods for Boundary Value Problems for Systems of Elliptic Equations
Author | : M. A. Lavrent’ev |
Publsiher | : Courier Dover Publications |
Total Pages | : 160 |
Release | : 2016-01-14 |
Genre | : Mathematics |
ISBN | : 9780486160283 |
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Famous monograph by a distinguished mathematician presents an innovative approach to classical boundary value problems. The treatment employs the basic scheme first suggested by Hilbert and developed by Tonnelli. 1963 edition.
Elliptic Differential Equations
Author | : Wolfgang Hackbusch |
Publsiher | : Springer |
Total Pages | : 455 |
Release | : 2017-06-01 |
Genre | : Mathematics |
ISBN | : 9783662549612 |
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This book simultaneously presents the theory and the numerical treatment of elliptic boundary value problems, since an understanding of the theory is necessary for the numerical analysis of the discretisation. It first discusses the Laplace equation and its finite difference discretisation before addressing the general linear differential equation of second order. The variational formulation together with the necessary background from functional analysis provides the basis for the Galerkin and finite-element methods, which are explored in detail. A more advanced chapter leads the reader to the theory of regularity. Individual chapters are devoted to singularly perturbed as well as to elliptic eigenvalue problems. The book also presents the Stokes problem and its discretisation as an example of a saddle-point problem taking into account its relevance to applications in fluid dynamics.
Elliptic Partial Differential Equations
Author | : Qing Han,Fanghua Lin |
Publsiher | : American Mathematical Soc. |
Total Pages | : 161 |
Release | : 2011 |
Genre | : Mathematics |
ISBN | : 9780821853139 |
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This volume is based on PDE courses given by the authors at the Courant Institute and at the University of Notre Dame, Indiana. Presented are basic methods for obtaining various a priori estimates for second-order equations of elliptic type with particular emphasis on maximal principles, Harnack inequalities, and their applications. The equations considered in the book are linear; however, the presented methods also apply to nonlinear problems.
Semilinear Elliptic Equations for Beginners
Author | : Marino Badiale,Enrico Serra |
Publsiher | : Springer Science & Business Media |
Total Pages | : 204 |
Release | : 2010-12-07 |
Genre | : Mathematics |
ISBN | : 9780857292278 |
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Semilinear elliptic equations are of fundamental importance for the study of geometry, physics, mechanics, engineering and life sciences. The variational approach to these equations has experienced spectacular success in recent years, reaching a high level of complexity and refinement, with a multitude of applications. Additionally, some of the simplest variational methods are evolving as classical tools in the field of nonlinear differential equations. This book is an introduction to variational methods and their applications to semilinear elliptic problems. Providing a comprehensive overview on the subject, this book will support both student and teacher engaged in a first course in nonlinear elliptic equations. The material is introduced gradually, and in some cases redundancy is added to stress the fundamental steps in theory-building. Topics include differential calculus for functionals, linear theory, and existence theorems by minimization techniques and min-max procedures. Requiring a basic knowledge of Analysis, Functional Analysis and the most common function spaces, such as Lebesgue and Sobolev spaces, this book will be of primary use to graduate students based in the field of nonlinear partial differential equations. It will also serve as valuable reading for final year undergraduates seeking to learn about basic working tools from variational methods and the management of certain types of nonlinear problems.
Elliptic Differential Equations
Author | : W. Hackbusch |
Publsiher | : Springer Science & Business Media |
Total Pages | : 334 |
Release | : 1992 |
Genre | : Language Arts & Disciplines |
ISBN | : 354054822X |
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Derived from a lecture series for college mathematics students, introduces the methods of dealing with elliptical boundary-value problems--both the theory and the numerical analysis. Includes exercises. Translated and somewhat expanded from the 1987 German version. Annotation copyright by Book News, Inc., Portland, OR
The Numerical Solution of Elliptic Equations
Author | : Garrett Birkhoff |
Publsiher | : SIAM |
Total Pages | : 93 |
Release | : 1971-01-01 |
Genre | : Mathematics |
ISBN | : 9780898710014 |
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A concise survey of the current state of knowledge in 1972 about solving elliptic boundary-value eigenvalue problems with the help of a computer. This volume provides a case study in scientific computing?the art of utilizing physical intuition, mathematical theorems and algorithms, and modern computer technology to construct and explore realistic models of problems arising in the natural sciences and engineering.