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Methods for partial differential equ...

Ebert, Marcelo R.

Methods for partial differential equationsqualitative properties of solutions, phase space analysis, semilinear models /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Methods for partial differential equationsby Marcelo R. Ebert, Michael Reissig.
其他題名:	qualitative properties of solutions, phase space analysis, semilinear models /
作者:	Ebert, Marcelo R.
其他作者:	Reissig, Michael.
出版者:	Cham :Springer International Publishing :2018.
面頁冊數:	xvi, 456 p. :ill., digital ;24 cm.
Contained By:	Springer eBooks
標題:	Differential equations, Partial.
電子資源:	http://dx.doi.org/10.1007/978-3-319-66456-9
ISBN:	9783319664569$q(electronic bk.)

Methods for partial differential equationsqualitative properties of solutions, phase space analysis, semilinear models /
Ebert, Marcelo R.

Methods for partial differential equationsqualitative properties of solutions, phase space analysis, semilinear models /[electronic resource] :by Marcelo R. Ebert, Michael Reissig. - Cham :Springer International Publishing :2018. - xvi, 456 p. :ill., digital ;24 cm.

Part 1 -- Introduction -- Part 2 -- Partial differential equations in models -- Basics for partial differential equations -- The Cauchy-Kovalevskaja theorem -- Holmgren's uniqueness theorem -- Method of characteristics -- Burger's equation -- Laplace equation - properties of solutions - starting point of elliptic theory -- Heat equation - properties of solutions - starting point of parabolic theory -- Wave equation - properties of solutions - starting point of hyperbolic theory -- Energies of solutions - one of the most important quantities -- Part 3 -- Phase space analysis for heat equation -- Phase space analysis and smoothing for Schrodinger equations -- Phase space analysis for wave models -- Phase space analysis for plate models -- The method of stationary phase and applications -- Part 4 -- Semilinear heat models -- Semilinear classical damped wave models -- Semilinear wave models with a special structural dissipation -- Semilinear classical wave models -- Semilinear Schrodinger models -- Linear hyperbolic systems -- Part 5 -- Research projects for beginners -- Background material.

This book provides an overview of different topics related to the theory of partial differential equations. Selected exercises are included at the end of each chapter to prepare readers for the "research project for beginners" proposed at the end of the book. It is a valuable resource for advanced graduates and undergraduate students who are interested in specializing in this area. The book is organized in five parts: In Part 1 the authors review the basics and the mathematical prerequisites, presenting two of the most fundamental results in the theory of partial differential equations: the Cauchy-Kovalevskaja theorem and Holmgren's uniqueness theorem in its classical and abstract form. It also introduces the method of characteristics in detail and applies this method to the study of Burger's equation. Part 2 focuses on qualitative properties of solutions to basic partial differential equations, explaining the usual properties of solutions to elliptic, parabolic and hyperbolic equations for the archetypes Laplace equation, heat equation and wave equation as well as the different features of each theory. It also discusses the notion of energy of solutions, a highly effective tool for the treatment of non-stationary or evolution models and shows how to define energies for different models. Part 3 demonstrates how phase space analysis and interpolation techniques are used to prove decay estimates for solutions on and away from the conjugate line. It also examines how terms of lower order (mass or dissipation) or additional regularity of the data may influence expected results. Part 4 addresses semilinear models with power type non-linearity of source and absorbing type in order to determine critical exponents: two well-known critical exponents, the Fujita exponent and the Strauss exponent come into play. Depending on concrete models these critical exponents divide the range of admissible powers in classes which make it possible to prove quite different qualitative properties of solutions, for example, the stability of the zero solution or blow-up behavior of local (in time) solutions. The last part features selected research projects and general background material.

ISBN: 9783319664569$q(electronic bk.)

Standard No.: 10.1007/978-3-319-66456-9doiSubjects--Topical Terms:

189753
Differential equations, Partial.

LC Class. No.: QA377

Dewey Class. No.: 515.353

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245 1 0 $a Methods for partial differential equations $h [electronic resource] : $b qualitative properties of solutions, phase space analysis, semilinear models / $c by Marcelo R. Ebert, Michael Reissig.
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505 0 $a Part 1 -- Introduction -- Part 2 -- Partial differential equations in models -- Basics for partial differential equations -- The Cauchy-Kovalevskaja theorem -- Holmgren's uniqueness theorem -- Method of characteristics -- Burger's equation -- Laplace equation - properties of solutions - starting point of elliptic theory -- Heat equation - properties of solutions - starting point of parabolic theory -- Wave equation - properties of solutions - starting point of hyperbolic theory -- Energies of solutions - one of the most important quantities -- Part 3 -- Phase space analysis for heat equation -- Phase space analysis and smoothing for Schrodinger equations -- Phase space analysis for wave models -- Phase space analysis for plate models -- The method of stationary phase and applications -- Part 4 -- Semilinear heat models -- Semilinear classical damped wave models -- Semilinear wave models with a special structural dissipation -- Semilinear classical wave models -- Semilinear Schrodinger models -- Linear hyperbolic systems -- Part 5 -- Research projects for beginners -- Background material.
520 $a This book provides an overview of different topics related to the theory of partial differential equations. Selected exercises are included at the end of each chapter to prepare readers for the "research project for beginners" proposed at the end of the book. It is a valuable resource for advanced graduates and undergraduate students who are interested in specializing in this area. The book is organized in five parts: In Part 1 the authors review the basics and the mathematical prerequisites, presenting two of the most fundamental results in the theory of partial differential equations: the Cauchy-Kovalevskaja theorem and Holmgren's uniqueness theorem in its classical and abstract form. It also introduces the method of characteristics in detail and applies this method to the study of Burger's equation. Part 2 focuses on qualitative properties of solutions to basic partial differential equations, explaining the usual properties of solutions to elliptic, parabolic and hyperbolic equations for the archetypes Laplace equation, heat equation and wave equation as well as the different features of each theory. It also discusses the notion of energy of solutions, a highly effective tool for the treatment of non-stationary or evolution models and shows how to define energies for different models. Part 3 demonstrates how phase space analysis and interpolation techniques are used to prove decay estimates for solutions on and away from the conjugate line. It also examines how terms of lower order (mass or dissipation) or additional regularity of the data may influence expected results. Part 4 addresses semilinear models with power type non-linearity of source and absorbing type in order to determine critical exponents: two well-known critical exponents, the Fujita exponent and the Strauss exponent come into play. Depending on concrete models these critical exponents divide the range of admissible powers in classes which make it possible to prove quite different qualitative properties of solutions, for example, the stability of the zero solution or blow-up behavior of local (in time) solutions. The last part features selected research projects and general background material.
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