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Book DetailsGraduate Studies in MathematicsVolume: 169; 2015; 281 ppMSC: Primary 35;
This text on partial differential equations is intended for readers who want to understand the theoretical underpinnings of modern PDEs in settings that are important for the applications without using extensive analytic tools required by most advanced texts. The assumed mathematical background is at the level of multivariable calculus and basic metric space material, but the latter is recalled as relevant as the text progresses.
The key goal of this book is to be mathematically complete without overwhelming the reader, and to develop PDE theory in a manner that reflects how researchers would think about the material. A concrete example is that distribution theory and the concept of weak solutions are introduced early because while these ideas take some time for the students to get used to, they are fundamentally easy and, on the other hand, play a central role in the field. Then, Hilbert spaces that are quite important in the later development are introduced via completions which give essentially all the features one wants without the overhead of measure theory.
There is additional material provided for readers who would like to learn more than the core material, and there are numerous exercises to help solidify one's understanding. The text should be suitable for advanced undergraduates or for beginning graduate students including those in engineering or the sciences.ReadershipProfessors, graduate students, and others interested in teaching and learning partial differential equations.

Table of Contents

Chapters

Chapter 1. Introduction

Chapter 2. Where do PDE come from?

Chapter 3. First order scalar semilinear equations

Chapter 4. First order scalar quasilinear equations

Chapter 5. Distributions and weak derivatives

Chapter 6. Second order constant coefficient PDE: Types and d’Alembert’s solution of the wave equation

Chapter 7. Properties of solutions of second order PDE: Propagation, energy estimates and the maximum principle

Chapter 8. The Fourier transform: Basic properties, the inversion formula and the heat equation

Chapter 9. The Fourier transform: Tempered distributions, the wave equation and Laplace’s equation

Chapter 10. PDE and boundaries

Chapter 11. Duhamel’s principle

Chapter 12. Separation of variables

Chapter 13. Inner product spaces, symmetric operators, orthogonality

Chapter 14. Convergence of the Fourier series and the Poisson formula on disks

Chapter 15. Bessel functions

Chapter 16. The method of stationary phase

Chapter 17. Solvability via duality

Chapter 18. Variational problems


Additional Material

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This text on partial differential equations is intended for readers who want to understand the theoretical underpinnings of modern PDEs in settings that are important for the applications without using extensive analytic tools required by most advanced texts. The assumed mathematical background is at the level of multivariable calculus and basic metric space material, but the latter is recalled as relevant as the text progresses.
The key goal of this book is to be mathematically complete without overwhelming the reader, and to develop PDE theory in a manner that reflects how researchers would think about the material. A concrete example is that distribution theory and the concept of weak solutions are introduced early because while these ideas take some time for the students to get used to, they are fundamentally easy and, on the other hand, play a central role in the field. Then, Hilbert spaces that are quite important in the later development are introduced via completions which give essentially all the features one wants without the overhead of measure theory.
There is additional material provided for readers who would like to learn more than the core material, and there are numerous exercises to help solidify one's understanding. The text should be suitable for advanced undergraduates or for beginning graduate students including those in engineering or the sciences.
Professors, graduate students, and others interested in teaching and learning partial differential equations.

Chapters

Chapter 1. Introduction

Chapter 2. Where do PDE come from?

Chapter 3. First order scalar semilinear equations

Chapter 4. First order scalar quasilinear equations

Chapter 5. Distributions and weak derivatives

Chapter 6. Second order constant coefficient PDE: Types and d’Alembert’s solution of the wave equation

Chapter 7. Properties of solutions of second order PDE: Propagation, energy estimates and the maximum principle

Chapter 8. The Fourier transform: Basic properties, the inversion formula and the heat equation

Chapter 9. The Fourier transform: Tempered distributions, the wave equation and Laplace’s equation

Chapter 10. PDE and boundaries

Chapter 11. Duhamel’s principle

Chapter 12. Separation of variables

Chapter 13. Inner product spaces, symmetric operators, orthogonality

Chapter 14. Convergence of the Fourier series and the Poisson formula on disks

Chapter 15. Bessel functions

Chapter 16. The method of stationary phase

Chapter 17. Solvability via duality

Chapter 18. Variational problems