Fundamental Solutions of Linear Partial Differential Operators: Theory and Practice

ISBN-13: 9783319201399 / Angielski / Twarda / 2015 / 398 str.

Norbert Ortner; Peter Wagner

Opis

This monograph provides the theoretical foundations needed for the construction of fundamental solutions and fundamental matrices of (systems of) linear partial differential equations. Many illustrative examples also show techniques for finding such solutions in terms of integrals. Particular attention is given to developing the fundamentals of distribution theory, accompanied by calculations of fundamental solutions. The main part of the book deals with existence theorems and uniqueness criteria, the method of parameter integration, the investigation of quasihyperbolic systems by means of Fourier and Laplace transforms, and the representation of fundamental solutions of homogeneous elliptic operators with the help of Abelian integrals. In addition to rigorous distributional derivations and verifications of fundamental solutions, the book also shows how to construct fundamental solutions (matrices) of many physically relevant operators (systems), in elasticity, thermoelasticity, hexagonal/cubic elastodynamics, for Maxwell's system and others. The book mainly addresses researchers and lecturers who work with partial differential equations. However, it also offers a valuable resource for students with a solid background in vector calculus, complex analysis and functional analysis.

Recenzje

"The monograph is written in a concise style with rigorous proofs and precise reference to the corresponding literature ... . Any topic is motivated and explained by concrete applications to equations and systems coming from physics. ... In conclusion, the monograph of Ortner and Wagner is highly recommended to everyone interested in distribution theory and explicit formulas for elementary solutions." (Michael Langenbruch, zbMATH 1336.35003, 2016)

Spis treści

​Introduction.- I. Distributions and Fundamental Solutions.- II. General Principles for Fundamental Solutions.- III. Parameter Integration.- IV. Quasihyperbolic Systems.- V. Fundamental Matrices of Homogeneous Systems.- Appendix: Table of Operators/Systems with References to Fundamental Solutions/Matrices.- References.- Index.